remove unnecessary temporary variable
remove unnecessary temporary variable

Signed-off-by: mqliang <86f5e9bb9cdf422d5fa04c0484dd7979741f264d@gmail.com>

mariusGundersen/docker,mkumatag/docker,Shopify/docker,laijs/moby,aduermael/docker.github.io,michelvocks/docker,skatsuta/docker,hqhq/moby,gdevillele/docker.github.io,danix800/docker.github.io,TrumanLing/docker,abhinavdahiya/docker,kencochrane/docker,gjaskiewicz/moby,thaJeztah/docker,paralin/docker,phiroict/docker,justincormack/docker,Morsicus/docker,flythecircle/gotojourney,hustcat/docker,jameszhan/docker,HuKeping/docker,allencloud/docker,konstruktoid/docker-upstream,vincentwoo/docker,londoncalling/docker.github.io,tonistiigi/docker,errordeveloper/docker,rickyzhang82/docker,afein/docker,q384566678/docker,kimh/docker,fangyuan930917/docker,dmcgowan/docker,scollier/docker,srust/docker,shin-/docker.github.io,Ramzec/docker,splunk/docker,trebonian/docker,kojiromike/docker,bfirsh/docker,anortef/docker,phiroict/docker,Collinux/docker,docker-zh/docker.github.io,Akasurde/docker,noxiouz/docker,jimjag/docker,13W/docker,KarthikNayak/docker,LuisBosquez/docker.github.io,sanscontext/docker.github.io,icecrime/docker,dsheets/moby,supasate/docker,darrenstahlmsft/moby,zhuguihua/docker,shishir-a412ed/docker,Mokolea/docker,cnaize/docker,joeuo/docker.github.io,ripcurld0/moby,mikebrow/docker,laijs/docker,erikstmartin/docker,jlebon/docker,flythecircle/gotojourney,jwhonce/docker,mixja/docker,ailispaw/docker,rillig/docker.github.io,qzio/docker,ajaymdesai/docker,ckeyer/docker,DoraALin/docker,DoraALin/docker,laijs/docker,davinashreddy/docker,fcrisciani/docker,kyle-wang/docker,Test-Betta-Inc/psychic-barnacle,anortef/docker,BSWANG/denverdino.github.io,michelvocks/docker,docker-zh/docker.github.io,konstruktoid/docker-1,portworx/docker,13W/docker,jvanz/docker,dbonev/docker,sallyom/docker,PatrickLang/moby,q384566678/docker,Aegeaner/docker,gao-feng/docker,moul/docker,skatsuta/docker,gschaetz/moby,HackToday/docker,lixiaobing1/docker,xuxinkun/docker,mikedanese/docker,ndeloof/docker,j-mracek/docker,maxamillion/docker,alexisbellido/docker.github.io,cpuguy83/docker,carolfh/docker,ibuildthecloud/docker,Tenk42/docker,sterchelen/docker,JeffBellegarde/docker,Aegeaner/docker,thaJeztah/docker.github.io,pyotr777/docker,toli/docker,BenHall/docker,sanscontext/docker.github.io,flavio/docker,gdevillele/docker.github.io,johnstep/docker.github.io,crosbymichael/docker,Mokolea/docker,dgageot/docker,Microsoft/docker,inatatsu/docker,containers/storage,paralin/docker,shhsu/docker,konstruktoid/docker-upstream,Altiscale/docker,haveatry/docker,mgoelzer/docker,dims/docker,sanscontext/docker.github.io,xuxinkun/docker,pragyasardana/Docker-cr-combined,ajneu/docker,pyotr777/docker,maxamillion/docker,scollier/docker,charleszheng44/moby,alexisbellido/docker.github.io,portworx/docker,qudongfang/docker,qudongfang/docker,docker/docker.github.io,Mashimiao/docker,laijs/moby,jvanz/docker,troy0820/docker.github.io,yongtang/docker,danix800/docker.github.io,asbjornenge/docker,HideoYamauchi/docker,Mashimiao/docker,jimjag/docker,toli/docker,cloudflare/docker,swasd/baleno,nigelpoulton/docker,AkihiroSuda/docker,anujbahuguna/docker,bluebreezecf/docker,sean-jc/docker,gigidwan/docker,projectatomic/docker,cnaize/docker,rremer/moby,bearstech/moby,icaoweiwei/docker,dperny/docker,vincentwoo/docker,icaoweiwei/docker,LuisBosquez/docker.github.io,denverdino/denverdino.github.io,joaofnfernandes/docker.github.io,tagomoris/docker,Collinux/docker,moypray/docker,charleszheng44/moby,prertik/docker,mkumatag/docker,swasd/baleno,kencochrane/docker,xiaods/docker,BrianBland/docker,bonczj/moby-json-file-logger,clintonskitson/docker,hallyn/docker,kyle-wang/docker,mauidev/docker,mbanikazemi/docker,wenchma/docker,TheBigBear/docker,naveed-jamil-tenpearls/moby,catinthesky/docker,mikedanese/docker,alfred-landrum/docker,dims/docker,laijs/moby,mtanlee/docker,supasate/docker,konstruktoid/docker-1,luxas/docker,YujiOshima/docker,willmtemple/docker,tkopczynski/docker,dims/docker,nigelpoulton/docker,Jimmy-Xu/hypercli,jameszhan/docker,sarnautov/moby,softprops/docker,jlebon/docker,pramodhkp/moby,jzwlqx/denverdino.github.io,anweiss/docker.github.io,BenHall/docker,gigidwan/docker,yosifkit/docker,ailispaw/docker,kerneltime/docker,yosifkit/docker,djs55/docker,mahak/docker,tophj-ibm/docker,medallia/docker,supasate/docker,KarthikNayak/docker,errordeveloper/docker,anortef/docker,zelahi/docker,sanscontext/docker.github.io,shin-/docker.github.io,tonistiigi/docker,miminar/docker,izarov/docker,laijs/docker,moypray/docker,gjaskiewicz/moby,madhanrm/docker,anujbahuguna/docker,eskaaren/docker,erikh/docker,cloudflare/docker,umerazad/docker,mssola/docker,mathewkoshy493/docker,denverdino/docker.github.io,dongjoon-hyun/docker,Altiscale/docker,POLJM242/docker,srust/docker,mariusGundersen/docker,coolljt0725/docker,mtrmac/docker,rhardih/docker,whuwxl/docker,mssola/docker,jlhawn/docker,aishraj/docker,justyntemme/docker,darrenstahlmsft/docker,mtesselH/docker,jzwlqx/denverdino.github.io,shubheksha/docker.github.io,upmio/docker,konstruktoid/docker-upstream,SvenDowideit/docker,sheimi/docker,michelvocks/docker,swasd/baleno,phiroict/docker,cyli/docker,coolljt0725/docker,mgoelzer/docker,liaoqingwei/docker,14rcole/docker,TrumanLing/docker,yp-engineering/docker,jlhawn/docker,tophj-ibm/docker,x1022as/docker,johnstep/moby-moby,xiekeyang/docker,gjaskiewicz/moby,softprops/docker,HackToday/docker,joeuo/docker.github.io,Distrotech/docker,rhuss/docker,docker/docker.github.io,jloehel/docker,erikstmartin/docker,gao-feng/docker,lixiaobing10051267/docker,thaJeztah/docker.github.io,dgageot/docker,ibuildthecloud/docker,pradipd/moby,dsau/docker,csfrancis/docker,pragyasardana/Docker-cr-combined,sarnautov/moby,aditirajagopal/docker,KingEmet/docker,trebonian/docker,isubuz/docker,danix800/docker.github.io,Shopify/docker,achanda/docker,jongiddy/docker,ibuildthecloud/docker,dongjoon-hyun/docker,ajneu/docker,paralin/docker,BrianBland/docker,ktraghavendra/docker,denverdino/docker.github.io,raja-sami-10p/moby,kolyshkin/moby,cyphar/docker,unclejack/docker,hypriot/docker,londoncalling/docker.github.io,bonczj/moby-json-file-logger,prertik/docker,erikstmartin/docker,catinthesky/docker,srust/docker,gdevillele/docker.github.io,mike1729/docker,wenchma/docker,jasonamyers/docker,thaJeztah/docker.github.io,sunyuan3/docker,rillig/docker.github.io,trebonian/docker,Collinux/docker,rremer/moby,cloudflare/docker,JimGalasyn/docker.github.io,jzwlqx/denverdino.github.io,SaiedKazemi/docker,jameszhan/docker,tklauser/docker,darrenstahlmsft/docker,LuisBosquez/docker.github.io,zhangjianfnst/docker,medallia/docker,johnstep/moby-moby,runcom/docker,pecameron/docker,cmehay/docker-1,rancher/docker,14rcole/docker,moby/moby,diogomonica/docker,joeuo/docker.github.io,darrenstahlmsft/docker,YuPengZTE/docker,aduermael/docker.github.io,johnstep/docker.github.io,mohmost12/docker,harche/docker,brahmaroutu/docker,vincentwoo/docker,isubuz/docker,moul/docker,kojiromike/docker,djs55/docker,dsau/docker,rillig/docker.github.io,davinashreddy/docker,charleswhchan/docker,dnephin/docker,ibuildthecloud/docker,ncdc/docker,brahmaroutu/docker,docker-zh/docker.github.io,phiroict/docker,aaronlehmann/docker,docker/docker.github.io,erikh/docker,tagomoris/docker,sreejithr/docker,alexisbellido/docker.github.io,rkazak/docker,yongtang/docker,charleszheng44/moby,djs55/docker,yasiramin10p/moby,noxiouz/docker,KarthikNayak/docker,amatsus/docker,dongjoon-hyun/docker,BSWANG/denverdino.github.io,justincormack/docker,shubheksha/docker.github.io,justincormack/docker,tianon/docker,kencochrane/docker,askb/docker,softprops/docker,menglingwei/denverdino.github.io,q384566678/docker,mikebrow/docker,hallyn/docker,ffoysal/docker,dsheets/moby,stainboy/docker,joeuo/docker.github.io,tpounds/docker,bfirsh/docker,menglingwei/denverdino.github.io,londoncalling/docker.github.io,anweiss/docker.github.io,cr7pt0gr4ph7/docker,scotttlin/docker,SaiedKazemi/docker,tmp6154/docker,danyalKhaliq10p/moby,solganik/docker,thaJeztah/docker,stainboy/docker,Jimmy-Xu/hypercli,thaJeztah/docker,tophj-ibm/docker,splunk/docker,shubheksha/docker.github.io,yp-engineering/docker,solganik/docker,trebonian/docker,ckeyer/docker,willmtemple/docker,thaJeztah/docker,JeffBellegarde/docker,gaobrian/docker,rhatdan/storage,sfsmithcha/docker,allencloud/docker,menglingwei/denverdino.github.io,dsheets/moby,bearstech/moby,imkin/moby,londoncalling/docker.github.io,mtanlee/docker,flavio/docker,joaofnfernandes/docker.github.io,thaJeztah/docker.github.io,shhsu/docker,gnailuy/docker,TheBigBear/docker,dmcgowan/docker,luxas/docker,wenchma/docker,clintonskitson/docker,ffoysal/docker,JMesser81/docker,hyperhq/hypercli,cmehay/docker-1,bdwill/docker.github.io,zhuohual/docker,endocode/docker,dbonev/docker,mstanleyjones/docker,ItsVeryWindy/docker,imeoer/hypercli,cyli/docker,ibuildthecloud/docker,afein/docker,danyalKhaliq10p/moby,sallyom/docker,ndeloof/docker,sunyuan3/docker,haveatry/docker,HideoYamauchi/docker,hustcat/docker,fsoppelsa/docker,13W/docker,crosbymichael/docker,troy0820/docker.github.io,pmalmgren/docker,ashmo123/docker,mrfuxi/docker,dperny/docker,sean-jc/docker,denverdino/denverdino.github.io,lixiaobing10051267/docker,pecameron/docker,troy0820/docker.github.io,miminar/docker,cpswan/docker,mixja/docker,mtrmac/docker,SvenDowideit/docker,sheimi/docker,ZJUshuaizhou/docker,mohmost12/docker,j-mracek/docker,hqhq/moby,KingEmet/docker,twaugh/docker,nawawi/docker,runcom/docker,shishir-a412ed/docker,cpuguy83/docker,askb/docker,mahak/docker,Ramzec/docker,medallia/docker,dperny/docker,michael-holzheu/docker,vdemeester/docker,rhatdan/storage,geekylucas/docker,jlebon/docker,zhuohual/docker,projectatomic/docker,jongiddy/docker,gnailuy/docker,aaronlehmann/docker,willmtemple/docker,afein/docker,bonczj/moby-json-file-logger,kunalkushwaha/docker,noironetworks/docker,OnePaaS/docker,rhatdan/storage,docker-zh/docker.github.io,jzwlqx/denverdino.github.io,Mokolea/docker,anusha-ragunathan/docker,tophj-ibm/moby,mixja/docker,asbjornenge/docker,JimGalasyn/docker.github.io,tbonza/docker,alfred-landrum/docker,umerazad/docker,xiekeyang/docker,Test-Betta-Inc/psychic-barnacle,containers/storage,mohmost12/docker,shishir-a412ed/docker,konstruktoid/docker-1,msabansal/docker,xuxinkun/docker,bdwill/docker.github.io,ripcurld0/moby,Microsoft/docker,nghiant2710/docker,johnstep/docker.github.io,izarov/docker,haugene/docker,ndeloof/docker,PatrickLang/moby,gigidwan/docker,ivansaracino/docker,Shopify/docker,bluebreezecf/docker,gnailuy/docker,moul/docker,moby/moby,contiv/docker,Morsicus/docker,catinthesky/docker,jc-m/docker-medallia,TrumanLing/docker,upmio/docker,prertik/docker,mikebrow/docker,alexisbellido/docker.github.io,docker/docker.github.io,denverdino/docker.github.io,anweiss/docker.github.io,ColinHebert/docker,kolyshkin/moby,abhinavdahiya/docker,sarnautov/moby,jloehel/docker,tonistiigi/docker,imeoer/hypercli,scotttlin/docker,joaofnfernandes/docker.github.io,carolfh/docker,endophage/docker,xiekeyang/docker,jthelin/docker,sallyom/docker,scotttlin/docker,cpuguy83/docker,Microsoft/docker,sanjeo/docker,stevvooe/docker,nghiant2710/docker,tpounds/docker,yasiramin10p/moby,yangdongsheng/docker,PatrickLang/moby,x1022as/docker,Neverous/docker,denverdino/docker.github.io,arun-gupta/docker,jhorwit2/docker,bluebreezecf/docker,aditirajagopal/docker,kolyshkin/docker,yummypeng/docker,jameseggers/docker,raja-sami-10p/moby,tophj-ibm/moby,jhorwit2/docker,shubheksha/docker.github.io,HuKeping/docker,brahmaroutu/docker,nalind/docker,cr7pt0gr4ph7/docker,SaiedKazemi/docker,yosifkit/docker,hqhq/moby,moul/docker,mtrmac/docker,sreejithr/docker,ZJU-SEL/docker,mikedougherty/docker,danyalKhaliq10p/moby,coreos/docker,OnePaaS/docker,sfsmithcha/docker,rancher/docker,anweiss/docker.github.io,unclejack/docker,moby/moby,tagomoris/docker,kojiromike/docker,YuPengZTE/docker,umerazad/docker,Morsicus/docker,nghiant2710/docker,darrenstahlmsft/moby,solganik/docker,medallia/docker,geekylucas/docker,dgageot/docker,vdemeester/docker,diogomonica/docker,mtanlee/docker,fangyuan930917/docker,coreos/docker,mahak/docker,ItsVeryWindy/docker,Mokolea/docker,vijaykilari/docker,resin-io/docker,vijaykilari/docker,BSWANG/denverdino.github.io,tophj-ibm/moby,dccurtis/docker,tmp6154/docker,pradipd/moby,ivansaracino/docker,stainboy/docker,jameseggers/docker,SvenDowideit/docker,docker/docker.github.io,xiaods/docker,ColinHebert/docker,duglin/docker,resin-io/docker,aduermael/docker.github.io,raja-sami-10p/moby,AkihiroSuda/docker,carolfh/docker,splunk/docker,shhsu/docker,aditirajagopal/docker,hypriot/docker,sdurrheimer/docker,rhatdan/docker,nathanleclaire/docker,estesp/docker,nawawi/docker,POLJM242/docker,hyperhq/hypercli,nguyentm83/docker,zhuguihua/docker,docker-zh/docker.github.io,thtanaka/docker,jc-m/docker,moxiegirl/docker,docker/docker,bearstech/moby,endophage/docker,kimh/docker,toli/docker,cyli/docker,yummypeng/docker,kunalkushwaha/docker,miminar/docker,sanjeo/docker,AkihiroSuda/docker,Aegeaner/docker,ckeyer/docker,tklauser/docker,endophage/docker,haveatry/docker,dmcgowan/docker,jthelin/docker,LaynePeng/docker,JimGalasyn/docker.github.io,qudongfang/docker,charleswhchan/docker,errordeveloper/docker,ivansaracino/docker,BrianBland/docker,mssola/docker,docker/docker,ZJU-SEL/docker,menglingwei/denverdino.github.io,danix800/docker.github.io,kunalkushwaha/docker,joeuo/docker.github.io,rkazak/docker,icecrime/docker,moxiegirl/docker,containers/storage,zhangjianfnst/docker,ZJUshuaizhou/docker,mbanikazemi/docker,rancher/docker,BSWANG/denverdino.github.io,LaynePeng/docker,unclejack/docker,sanscontext/docker.github.io,ajneu/docker,tbonza/docker,yasiramin10p/moby,zelahi/docker,haugene/docker,jhorwit2/docker,Tenk42/docker,denverdino/denverdino.github.io,pragyasardana/Docker-cr-combined,dccurtis/docker,nawawi/docker,shin-/docker.github.io,denverdino/denverdino.github.io,isubuz/docker,sdurrheimer/docker,x1022as/docker,gnailuy/docker,nalind/docker,tpounds/docker,JimGalasyn/docker.github.io,jecarey/docker,fsoppelsa/docker,JMesser81/docker,amatsus/docker,yummypeng/docker,joaofnfernandes/docker.github.io,gaobrian/docker,phiroict/docker,davinashreddy/docker,Ramzec/docker,fangyuan930917/docker,naveed-jamil-tenpearls/moby,harche/docker,asbjornenge/docker,konstruktoid/docker-upstream,darrenstahlmsft/moby,ajaymdesai/docker,clintonskitson/docker,ColinHebert/docker,JeffBellegarde/docker,ailispaw/docker,naveed-jamil-tenpearls/moby,vdemeester/docker,BSWANG/denverdino.github.io,fsoppelsa/docker,jzwlqx/denverdino.github.io,diogomonica/docker,Tenk42/docker,AkihiroSuda/docker,s7v7nislands/docker,rickyzhang82/docker,eskaaren/docker,cpuguy83/docker,hypriot/docker,eskaaren/docker,csfrancis/docker,luxas/docker,TheBigBear/docker,ZJUshuaizhou/docker,mtesselH/docker,vijaykilari/docker,estesp/docker,johnstep/moby-moby,arun-gupta/docker,nalind/docker,estesp/docker,thaJeztah/docker.github.io,s7v7nislands/docker,KingEmet/docker,johnstep/docker.github.io,crosbymichael/docker,moypray/docker,cyphar/docker,ncdc/docker,kerneltime/docker,mrfuxi/docker,nguyentm83/docker,anweiss/docker.github.io,sterchelen/docker,noxiouz/docker,mauidev/docker,hustcat/docker,imkin/moby,rkazak/docker,gdevillele/docker.github.io,msabansal/docker,icecrime/docker,lixiaobing1/docker,endocode/docker,tianon/docker,achanda/docker,ripcurld0/moby,13W/docker,dsau/docker,stevvooe/docker,jimjag/docker,jwhonce/docker,jecarey/docker,portworx/docker,jimjag/docker,cnaize/docker,projectatomic/docker,liaoqingwei/docker,ktraghavendra/docker,mbanikazemi/docker,gschaetz/moby,aaronlehmann/docker,erikh/docker,ItsVeryWindy/docker,tmp6154/docker,coreos/docker,yangdongsheng/docker,JMesser81/docker,pramodhkp/moby,Syntaxide/docker,jasonamyers/docker,icaoweiwei/docker,michael-holzheu/docker,Distrotech/docker,YujiOshima/docker,xiaods/docker,flavio/docker,endocode/docker,sdurrheimer/docker,twaugh/docker,hallyn/docker,akira-baruah/docker,zhuguihua/docker,nawawi/docker,BenHall/docker,mgoelzer/docker,akira-baruah/docker,Syntaxide/docker,alexisbellido/docker.github.io,JimGalasyn/docker.github.io,jloehel/docker,fcrisciani/docker,OnePaaS/docker,aidanhs/docker,LuisBosquez/docker.github.io,resin-io/docker,hyperhq/hypercli,flavio/docker,kolyshkin/moby,ajaymdesai/docker,fcrisciani/docker,rhatdan/docker,Mashimiao/docker,sunyuan3/docker,lixiaobing1/docker,whuwxl/docker,aidanhs/docker,sean-jc/docker,ashmo123/docker,skatsuta/docker,nigelpoulton/docker,mkumatag/docker,ktraghavendra/docker,harche/docker,gschaetz/moby,madhanrm/docker,tklauser/docker,Neverous/docker,dccurtis/docker,yp-engineering/docker,tkopczynski/docker,noironetworks/docker,mstanleyjones/docker,YujiOshima/docker,rhatdan/docker,anusha-ragunathan/docker,jc-m/docker,troy0820/docker.github.io,angryxlt/docker,upmio/docker,Ramzec/docker,jc-m/docker-medallia,imkin/moby,rremer/moby,mike1729/docker,abhinavdahiya/docker,aduermael/docker.github.io,liaoqingwei/docker,shubheksha/docker.github.io,mike1729/docker,LuisBosquez/docker.github.io,denverdino/denverdino.github.io,gao-feng/docker,jc-m/docker,inatatsu/docker,csfrancis/docker,mathewkoshy493/docker,pradipd/moby,michael-holzheu/docker,alfred-landrum/docker,jongiddy/docker,aishraj/docker,angryxlt/docker,thtanaka/docker,mariusGundersen/docker,cyphar/docker,imeoer/hypercli,rillig/docker.github.io,jvanz/docker,stevvooe/docker,justyntemme/docker,armbuild/docker,rhardih/docker,cpswan/docker,twaugh/docker,shin-/docker.github.io,moby/moby,aidanhs/docker,HideoYamauchi/docker,duglin/docker,duglin/docker,zhangjianfnst/docker,anujbahuguna/docker,londoncalling/docker.github.io,charleswhchan/docker,jlhawn/docker,mahak/docker,lixiaobing10051267/docker,Syntaxide/docker,coolljt0725/docker,rhuss/docker,sanjeo/docker,johnstep/docker.github.io,YuPengZTE/docker,pyotr777/docker,sheimi/docker,paralin/docker,mstanleyjones/docker,LaynePeng/docker,HuKeping/docker,denverdino/docker.github.io,Akasurde/docker,dnephin/docker,bfirsh/docker,armbuild/docker,nathanleclaire/docker,contiv/docker,gdevillele/docker.github.io,thtanaka/docker,pmalmgren/docker,contiv/docker,Jimmy-Xu/hypercli,mtesselH/docker,bdwill/docker.github.io,pecameron/docker,cmehay/docker-1,mikedougherty/docker,achanda/docker,ncdc/docker,kyle-wang/docker,docker/docker,bearstech/moby,whuwxl/docker,kerneltime/docker,mathewkoshy493/docker,DoraALin/docker,maxamillion/docker,Test-Betta-Inc/psychic-barnacle,noironetworks/docker,madhanrm/docker,yosifkit/docker,Altiscale/docker,HackToday/docker,bdwill/docker.github.io,sfsmithcha/docker,ffoysal/docker,arun-gupta/docker,kimh/docker,shin-/docker.github.io,menglingwei/denverdino.github.io,izarov/docker,amatsus/docker,qzio/docker,nalind/docker,dnephin/docker,msabansal/docker,jwhonce/docker,13W/docker,pramodhkp/moby,justyntemme/docker,inatatsu/docker,runcom/docker,joaofnfernandes/docker.github.io,geekylucas/docker,cr7pt0gr4ph7/docker,bdwill/docker.github.io,mikedougherty/docker,allencloud/docker,tkopczynski/docker,sterchelen/docker,Akasurde/docker,moxiegirl/docker,kolyshkin/docker,yongtang/docker