raft: fix typo in raftlog
raft: fix typo in raftlog

fix typo in String() method of raftlog which will misorder
the "committed" and "unstable.offset" output.

yifan-gu/etcd,njucslqq/etcd,arthurcolle/etcd,SivagnanamCiena/etcd,yichengq/etcd,cognusion/etcd,oscarrr110/etcd,mkumatag/etcd,njharman/etcd,chenbaihu/etcd,mkumatag/etcd,offscale/etcd,sebschrader/etcd,es-chow/etcd,Yhgenomics/etcd,xdlinear/etcd,openedbox/etcd,mickep76/etcd,siddontang/etcd,rnaveiras/etcd,yudai/etcd,beni55/etcd,fgbreel/etcd,dalanlan/etcd,vimalk78/etcd,raoofm/etcd,wowsoso/etcd,endocode/etcd,onlyjob/etcd,fasaxc/etcd,princeqjzh/etcd,sinsharat/etcd,mike-lerch/etcd,wantonsolutions/dinv-etcd,sinsharat/etcd,wfxiang08/etcd,crandles/etcd,wantonsolutions/dinv-etcd,ajityagaty/etcd,CrazyJvm/etcd,elimisteve/etcd,cchamplin/etcd,ktateish/etcd,yifan-gu/etcd,dalanlan/etcd,devfreesg/etcd,sebrandon1/etcd,kingland/etcd,tguangch/etcd,ylong/etcd,OyTao/etcd_learning,sofuture/etcd,ajityagaty/etcd,hongbinz/etcd,etcd-io/etcd,buaazp/etcd,plasticbox/etcd,svdata/etcd,qiaochao911/etcd,jonboulle/etcd,luxas/etcd,es-chow/etcd,jonboulle/etcd,shakefu/etcd,westhood/etcd,njucslqq/etcd,coreos/etcd,nieanan/etcd,armstrongli/etcd,achanda/etcd,snailwalker/etcd,mischief/etcd,mitake/etcd,Eagle-X/etcd,gityf/etcd,iamqizhao/etcd,olark/etcd,vimalk78/etcd,gae123/etcd,delkyd/etcd,jefby/etcd,bdarnell/etcd,Winslett/etcd,mqliang/etcd,msanterre/etcd,dannysauer/etcd,xiang90/etcd,imzhulei/etcd,combk8s/etcd,insionng/etcd,visheshnp/etcd,hroyrh/etcd,delkyd/etcd,ravigadde/etcd,improbable-io/etcd,tangkun75/etcd,junxu/etcd,siddontang/etcd,bdarnell/etcd,msanterre/etcd,spacejam/etcd,jmptrader/etcd,oscarrr110/etcd,junxu/etcd,qqsun8819/etcd,chenbaihu/etcd,mwitkow-io/etcd,jefby/etcd,armstrongli/etcd,xebitstudios/etcd,raoofm/etcd,rchicoli/etcd,nieanan/etcd,lzbgt/etcd,giantswarm/etcd,jeremyeder/etcd,glensc/etcd,iamqizhao/etcd,kkaneda/etcd,jravetch/etcd,shawnps/etcd,swingbach/etcd,glycerine/etcd,improbable-io/etcd,olark/etcd,offscale/etcd,Winslett/etcd,betawaffle/etcd,sofuture/etcd,xiang90/etcd,hzy001/etcd,snailwalker/etcd,giantswarm/etcd,chipironcin/etcd,mischief/etcd,pauldallen/etcd,polvi/etcd,yudai/etcd,lzbgt/etcd,youxidev/etcd,HideoYamauchi/etcd,dnaeon/etcd,hroyrh/etcd,xueshanf/etcd,sayden/etcd,axingblog/etcd,glycerine/etcd,yichengq/etcd,QuantiumTechnology/etcd,Eagle-X/etcd,openedbox/etcd,buaazp/etcd,westhood/etcd,fasaxc/etcd,sebschrader/etcd,joshix/etcd,hzy001/etcd,handsomesun/etcd,cockroachdb/etcd,wfxiang08/etcd,jchauncey/etcd,csuideal/etcd,shawnps/etcd,sayden/etcd,heyitsanthony/etcd,purpleidea/etcd,gtank/etcd,visheshnp/etcd,yyljlyy/etcd,nkhare/etcd,TheHippo/etcd,jmptrader/etcd,qiaochao911/etcd,lumjjb/etcd,kingland/etcd,asim/etcd,combk8s/etcd,nekto0n/etcd,mqliang/etcd,lorneli/etcd,devfreesg/etcd,tguangch/etcd,endocode/etcd,insionng/etcd,ktateish/etcd,kkaneda/etcd,yyljlyy/etcd,barakmich/etcd,elimisteve/etcd,tempbottle/etcd,jravetch/etcd,freeloop1114/etcd,SivagnanamCiena/etcd,glevand/coreos--etcd,joshix/etcd,tangkun75/etcd,rnaveiras/etcd,mitake/etcd,gtank/etcd,heyitsanthony/etcd,Timer/etcd,gouyang/etcd,sebrandon1/etcd,mickep76/etcd,cockroachdb/etcd,chipironcin/etcd,barakmich/etcd,cchamplin/etcd,jchauncey/etcd,lorneli/etcd,njharman/etcd,youxidev/etcd,qqsun8819/etcd,nekto0n/etcd,imzhulei/etcd,li-ang/etcd,tamird/etcd,luxas/etcd,arthurcolle/etcd,honeyqa/etcd,zaphod-concur/etcd,pengzj/etcd,HideoYamauchi/etcd,hongchaodeng/etcd,shafreeck/etcd,onlyjob/etcd,tamird/etcd,rchicoli/etcd,bluebreezecf/etcd,xebitstudios/etcd,gouyang/etcd,freeloop1114/etcd,li-ang/etcd,axingblog/etcd,akauppi/etcd,wantonsolutions/dinv-etcd,jeremyeder/etcd,hongchaodeng/etcd,fanminshi/etcd,TheHippo/etcd,pauldallen/etcd,mike-lerch/etcd,a-robinson/etcd,asim/etcd,steveeJ/etcd,achanda/etcd,QuantiumTechnology/etcd,StorReduce/etcd,bspline/etcd,wowsoso/etcd,honeyqa/etcd,jlamillan/etcd,linuxcer/etcd,bluebreezecf/etcd,etcd-io/etcd,ylong/etcd,akauppi/etcd,crandles/etcd,xueshanf/etcd,insequent/etcd,etcd-io/etcd,glensc/etcd,insequent/etcd,whuwxl/etcd,purpleidea/etcd,mwitkow-io/etcd,linuxcer/etcd,mqliang/etcd,steveeJ/etcd,mkumatag/etcd,fanminshi/etcd,StorReduce/etcd,gyuho/etcd,coreos/etcd,plasticbox/etcd,polvi/etcd,xychu/etcd,pengzj/etcd,nkhare/etcd,jlamillan/etcd,gyuho/etcd,lumjjb/etcd,rnaveiras/etcd,xdlinear/etcd,csuideal/etcd,ravigadde/etcd,tempbottle/etcd,cognusion/etcd,OyTao/etcd_learning,gityf/etcd,hongbinz/etcd,svdata/etcd,handsomesun/etcd,mwitkow/etcd,dannysauer/etcd,gae123/etcd,swingbach/etcd,betawaffle/etcd,fasaxc/etcd,xychu/etcd,mwitkow/etcd,Yhgenomics/etcd,dnaeon/etcd,bspline/etcd,Timer/etcd,ajityagaty/etcd,princeqjzh/etcd,YuleiXiao/etcd,zaphod-concur/etcd,shafreeck/etcd,a-robinson/etcd,glevand/coreos--etcd,fgbreel/etcd,beni55/etcd,YuleiXiao/etcd,spacejam/etcd,CrazyJvm/etcd,whuwxl/etcd,shakefu/etcd