quick fix of typo in openstack driver
quick fix of typo in openstack driver

Signed-off-by: Paul Czarkowski <ab875f5cfe8e1ba37eec848e003fb5955d533405@gmail.com>

JohnKDay/machine,xinxian0458/machine,beni55/machine,shubheksha/docker.github.io,databus23/machine,jeffellin/machine,seegno-forks/machine,ocean/machine,aduermael/docker.github.io,ksasi/machine,trecloux/machine,denverdino/machine,sebadiaz/machine,SvenDowideit/machine,Parallels/docker-machine,flavio/machine,LaynePeng/machine,kacole2/machine,unodba/machine,denverdino/machine-1,deitch/machine,pragkent/machine,mjtrefethen/machine,joaofnfernandes/docker.github.io,jarosser06/machine,rillig/docker.github.io,juliengarcia/machine,shot/machine,JimGalasyn/docker.github.io,schatt/machine,soleo/machine,shubheksha/docker.github.io,jzwlqx/denverdino.github.io,aduermael/docker.github.io,jhoos/machine,docker/docker.github.io,joaofnfernandes/docker.github.io,xiaohui/machine,alexisbellido/docker.github.io,BSWANG/denverdino.github.io,sjfloat/machine,robvanmieghem/machine,jgsqware/machine,bgokden/machine,jasisk/machine,bookerzzz/machine,cab105/machine,docker/machine,denverdino/docker.github.io,cpuguy83/machine,OpenNebula/machine,bdwill/docker.github.io,wlan0/machine,zehicle/machine,atsaki/machine,ppadala/machine,kechol/machine,atsaki/machine,OpenNebula/machine,yanzay/machine,davidstosik/machine,yanzay/machine,seegno-forks/machine,j3tm0t0/machine,wzymaster/machine,chantra/machine,phiroict/docker,trecloux/machine,rowancarr/machine,johnstep/docker.github.io,NeilW/machine,robertbreker/machine,alexisbellido/docker.github.io,paultag/machine,shin-/docker.github.io,kacole2/machine,skippbox/kmachine,csakoda/machine,londoncalling/docker.github.io,rupakg/machine,gdevillele/docker.github.io,anshulr/machine,sanscontext/docker.github.io,joaofnfernandes/docker.github.io,deitch/machine,docker/docker.github.io,docker/docker.github.io,surgeforward/machine,alindeman/machine,gdevillele/docker.github.io,rillig/docker.github.io,ppadala/machine,robinbb/machine,clintonskitson/machine,BSWANG/denverdino.github.io,kunalkushwaha/machine,NeilW/machine,dweomer/docker-machine,atsaki/machine,carolynvs/machine,faijaz/docker-machine,voutilad/machine,asalhamed/machine,duglin/machine,londoncalling/docker.github.io,aduermael/docker.github.io,ravolt/docker-machine,denverdino/machine-1,johnstep/docker.github.io,pottava/machine,pottava/machine,bwahn/machine,bdwill/docker.github.io,denverdino/machine,larsla/machine,BSWANG/denverdino.github.io,denverdino/denverdino.github.io,alexisbellido/docker.github.io,joyent/machine,bdwill/docker.github.io,wlan0/machine,ekristen/machine,StackPointCloud/machine,thaJeztah/docker.github.io,brandoncc/machine,ocean/machine,jsirois/machine,nunofgs/docker-machine,askb/machine,skippbox/kmachine,yut148/machine,LaynePeng/machine,euank/machine,vovimayhem/machine,LuisBosquez/docker.github.io,thaJeztah/docker.github.io,bfirsh/machine,jsirois/machine,docker/docker.github.io,jeanlaurent/machine,carolynvs/machine,joaofnfernandes/docker.github.io,rwilliams/machine,faijaz/docker-machine,asalhamed/machine,anweiss/docker.github.io,beni55/machine,sausheong/machine,docker-zh/docker.github.io,Herbis/machine,justintung/machine,allingeek/machine,mjhea0/machine,JimGalasyn/docker.github.io,jasisk/machine,ppadala/machine,denverdino/docker.github.io,thaJeztah/docker.github.io,dskora/machine,marsmensch/machine,jeffellin/machine,abstractitptyltd/machine,thaJeztah/docker.github.io,aperepel/machine,menglingwei/denverdino.github.io,ddaze/machine,jmelis/machine,cvstebut/machine,joyent/machine,faijaz/docker-machine,dmp42/machine,skatsuta/machine,anweiss/docker.github.io,jmelis/machine,s7v7nislands/machine,denverdino/docker.github.io,jhoos/machine,zchee/machine,errordeveloper/machine,djfarrelly/machine,shubheksha/docker.github.io,sausheong/machine,londoncalling/docker.github.io,slashk/machine,laveolu/machine,jlusiardi/machine,OpenNebula/machine,mjhea0/machine,carloreggiani/machine,anshulr/machine,usmanismail/machine,sebadiaz/machine,binario200/machine,gerred/machine,blueyed/machine,phiroict/docker,usmanismail/machine,kacole2/machine,docker/docker.github.io,Kast0rTr0y/docker-machine,TrumanLing/machine,exoscale/docker-machine,jarosser06/machine,LuisBosquez/docker.github.io,justintung/machine,shin-/docker.github.io,phiroict/docker,dudymas/machine,jhoos/machine,jzwlqx/denverdino.github.io,mjtrefethen/machine,MHBauer/machine,kunalkushwaha/machine,londoncalling/docker.github.io,xiaohui/machine,robertbreker/machine,zchee/machine,djfarrelly/machine,londoncalling/machine,joeuo/docker.github.io,soleo/machine,laveolu/machine,allingeek/machine,frapposelli/machine,s7v7nislands/machine,slowteetoe/machine,rwilliams/machine,aperepel/machine,JohnKDay/machine,allingeek/machine,duglin/machine,pragkent/machine,robvanmieghem/machine,docker/machine,jeanlaurent/machine,moxiegirl/machine,jzwlqx/denverdino.github.io,StackPointCloud/machine,csakoda/machine,legal90/machine,errordeveloper/machine,miqui/machine,databus23/machine,Qwinix/docker-machine-vmware,jlusiardi/machine,dgageot/machine,denverdino/denverdino.github.io,joeuo/docker.github.io,rawkode/machine,zehicle/machine,exoscale/docker-machin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