Fix Ansible provisioner exit code reporting
Fix Ansible provisioner exit code reporting

In eb70c0d6bbc8 we were trying to compare a Subprocess::Result to a
Fixnum, resulting in Vagrant always reporting failure regardless of
Ansible's exit code.

tjanez/vagrant,wkolean/vagrant,sideci-sample/sideci-sample-vagrant,Sgoettschkes/vagrant,jhoblitt/vagrant,otagi/vagrant,crashlytics/vagrant,crashlytics/vagrant,dustymabe/vagrant,jmanero/vagrant,janek-warchol/vagrant,signed8bit/vagrant,jmanero/vagrant,modulexcite/vagrant,mwrock/vagrant,ianmiell/vagrant,senglin/vagrant,sideci-sample/sideci-sample-vagrant,TheBigBear/vagrant,Endika/vagrant,genome21/vagrant,chrisroberts/vagrant,ianmiell/vagrant,jtopper/vagrant,shtouff/vagrant,genome21/vagrant,gajdaw/vagrant,PatrickLang/vagrant,kamazee/vagrant,mkuzmin/vagrant,jfchevrette/vagrant,kamazee/vagrant,rivy/vagrant,aneeshusa/vagrant,blueyed/vagrant,channui/vagrant,pwnall/vagrant,p0deje/vagrant,PatrickLang/vagrant,apertoso/vagrant,philoserf/vagrant,chrisroberts/vagrant,cgvarela/vagrant,doy/vagrant,aaam/vagrant,bheuvel/vagrant,stephancom/vagrant,justincampbell/vagrant,lonniev/vagrant,gbarberi/vagrant,teotihuacanada/vagrant,invernizzi-at-google/vagrant,jtopper/vagrant,TheBigBear/vagrant,sferik/vagrant,marxarelli/vagrant,theist/vagrant,gajdaw/vagrant,tschortsch/vagrant,zsjohny/vagrant,sni/vagrant,cgvarela/vagrant,krig/vagrant,jberends/vagrant,sax/vagrant,crashlytics/vagrant,dustymabe/vagrant,benh57/vagrant,fnewberg/vagrant,aneeshusa/vagrant,legal90/vagrant,tbriggs-curse/vagrant,wkolean/vagrant,PatOShea/vagrant,teotihuacanada/vagrant,mpoeter/vagrant,marxarelli/vagrant,dharmab/vagrant,marxarelli/vagrant,patrys/vagrant,mitchellh/vagrant,darkn3rd/vagrant,mwrock/vagrant,sni/vagrant,bshurts/vagrant,jkburges/vagrant,modulexcite/vagrant,jmanero/vagrant,carlosefr/vagrant,jhoblitt/vagrant,muhanadra/vagrant,tknerr/vagrant,chrisvire/vagrant,BlakeMesdag/vagrant,tschortsch/vagrant,jean/vagrant,mpoeter/vagrant,vamegh/vagrant,tschortsch/vagrant,lonniev/vagrant,tbarrongh/vagrant,loren-osborn/vagrant,sferik/vagrant,fnewberg/vagrant,pwnall/vagrant,fnewberg/vagrant,gbarberi/vagrant,bheuvel/vagrant,legal90/vagrant,philwrenn/vagrant,aneeshusa/vagrant,rivy/vagrant,fnewberg/vagrant,bryson/vagrant,shtouff/vagrant,bdwyertech/vagrant,dharmab/vagrant,stephancom/vagrant,h4ck3rm1k3/vagrant,benizi/vagrant,bshurts/vagrant,tomfanning/vagrant,iNecas/vagrant,senglin/vagrant,Chhed13/vagrant,lukebakken/vagrant,theist/vagrant,h4ck3rm1k3/vagrant,kamazee/vagrant,dharmab/vagrant,kamigerami/vagrant,blueyed/vagrant,tjanez/vagrant,tbriggs-curse/vagrant,krig/vagrant,ianmiell/vagrant,gitebra/vagrant,cgvarela/vagrant,teotihuacanada/vagrant,Sgoettschkes/vagrant,Avira/vagrant,channui/vagrant,doy/vagrant,gitebra/vagrant,sideci-sample/sideci-sample-vagrant,sni/vagrant,jean/vagrant,ferventcoder/vagrant,ianmiell/vagrant,shtouff/vagrant,crashlytics/vagrant,lonniev/vagrant,genome21/vagrant,shtouff/vagrant,mpoeter/vagrant,janek-warchol/vagrant,denisbr/vagrant,tbriggs-curse/vagrant,kamigerami/vagrant,MiLk/vagrant,jkburges/vagrant,darkn3rd/vagrant,chrisroberts/vagrant,mkuzmin/vagrant,Ninir/vagrant,gitebra/vagrant,wangfakang/vagrant,rivy/vagrant,Chhunlong/vagrant,bheuvel/vagrant,muhanadra/vagrant,clinstid/vagrant,modulexcite/vagrant,zsjohny/vagrant,modulexcite/vagrant,dhoer/vagrant,evverx/vagrant,Chhunlong/vagrant,johntron/vagrant,obnoxxx/vagrant,Sgoettschkes/vagrant,otagi/vagrant,johntron/vagrant,lukebakken/vagrant,taliesins/vagrant,ArloL/vagrant,loren-osborn/vagrant,justincampbell/vagrant,tbarrongh/vagrant,senglin/vagrant,carlosefr/vagrant,kalabiyau/vagrant,denisbr/vagrant,zsjohny/vagrant,krig/vagrant,otagi/vagrant,TheBigBear/vagrant,petems/vagrant,jberends/vagrant,bdwyertech/vagrant,wkolean/vagrant,signed8bit/vagrant,juiceinc/vagrant,tjanez/vagrant,johntron/vagrant,jfchevrette/vagrant,PatOShea/vagrant,chrisvire/vagrant,bryson/vagrant,wkolean/vagrant,juiceinc/vagrant,miguel250/vagrant,nickryand/vagrant,Chhed13/vagrant,lonniev/vagrant,kamigerami/vagrant,tbarrongh/vagrant,jmanero/vagrant,tomfanning/vagrant,chrisroberts/vagrant,nickryand/vagrant,jberends/vagrant,evverx/vagrant,tknerr/vagrant,benh57/vagrant,gpkfr/vagrant,TheBigBear/vagrant,tomfanning/vagrant,taliesins/vagrant,sni/vagrant,evverx/vagrant,invernizzi-at-google/vagrant,bryson/vagrant,marxarelli/vagrant,mkuzmin/vagrant,benizi/vagrant,jean/vagrant,signed8bit/vagrant,sax/vagrant,theist/vagrant,krig/vagrant,kamigerami/vagrant,myrjola/vagrant,mitchellh/vagrant,p0deje/vagrant,stephancom/vagrant,dustymabe/vagrant,ferventcoder/vagrant,carlosefr/vagrant,bdwyertech/vagrant,p0deje/vagrant,wangfakang/vagrant,tknerr/vagrant,cgvarela/vagrant,justincampbell/vagrant,ArloL/vagrant,mwarren/vagrant,chrisvire/vagrant,Endika/vagrant,chrisvire/vagrant,stephancom/vagrant,tknerr/vagrant,dhoer/vagrant,miguel250/vagrant,apertoso/vagrant,petems/vagrant,genome21/vagrant,ferventcoder/vagrant,petems/vagrant,mwarren/vagrant,mpoeter/vagrant,clinstid/vagrant,Chhed13/vagrant,gpkfr/vagrant,bshurts/vagrant,bheuvel/vagrant,legal90/vagrant,denisbr/vagrant,carlosefr/vagrant,lukebakken/vagrant,dharmab/vagrant,otagi/vagrant,Chhed13/vagrant,philwrenn/vagrant,invernizzi-at-google/vagrant,tbarrongh/vagrant,miguel250/vagrant,tbriggs-curse/vagrant,PatOShea/vagrant,janek-warchol/vagrant,signed8bit/vagrant,PatrickLang/vagrant,obnoxxx/vagrant,legal90/vagrant,iNecas/vagrant,mwrock/vagrant,tjanez/vagrant,mwarren/vagrant,aaam/vagrant,kalabiyau/vagrant,vamegh/vagrant,Endika/vagrant,wangfakang/vagrant,tschortsch/vagrant,mitchellh/vagrant,blueyed/vagrant,BlakeMesdag/vagrant,petems/vagrant,jfchevrette/vagrant,sferik/vagrant,sax/vagrant,jfchevrette/vagrant,apertoso/vagrant,doy/vagrant,PatrickLang/vagrant,PatOShea/vagrant,dhoer/vagrant,jtopper/vagrant,denisbr/vagrant,aaam/vagrant,mwrock/vagrant,jtopper/vagrant,invernizzi-at-google/vagrant,MiLk/vagrant,muhanadra/vagrant,miguel250/vagrant,h4ck3rm1k3/vagrant,jean/vagrant,janek-warchol/vagrant,Avira/vagrant,sax/vagrant,kalabiyau/vagrant,mkuzmin/vagrant,channui/vagrant,gitebra/vagrant,vamegh/vagrant,benh57/vagrant,muhanadra/vagrant,gbarberi/vagrant,jberends/vagrant,Avira/vagrant,aneeshusa/vagrant,h4ck3rm1k3/vagrant,jkburges/vagrant,gpkfr/vagrant,vamegh/vagrant,juiceinc/vagrant,Endika/vagrant,Ninir/vagrant,myrjola/vagrant,darkn3rd/vagrant,nickryand/vagrant,benizi/vagrant,Ninir/vagrant,mitchellh/vagrant,patrys/vagrant,philoserf/vagrant,loren-osborn/vagrant,theist/vagrant,pwnall/vagrant,patrys/vagrant,Chhunlong/vagrant,bshurts/vagrant,teotihuacanada/vagrant,benizi/vagrant,ArloL/vagrant,blueyed/vagrant,philoserf/vagrant,jkburges/vagrant,nickryand/vagrant,benh57/vagrant,doy/vagrant,patrys/vagrant,darkn3rd/vagrant,philwrenn/vagrant,loren-osborn/vagrant,kalabiyau/vagrant,jhoblitt/vagrant,aaam/vagrant,pwnall/vagrant,MiLk/vagrant,wangfakang/vagrant,ArloL/vagrant,gpkfr/vagrant,obnoxxx/vagrant,mwarren/vagrant,philwrenn/vagrant,Chhunlong/vagrant,dhoer/vagrant,lukebakken/vagrant,gbarberi/vagrant,myrjola/vagrant,johntron/vagrant,juiceinc/vagrant,jhoblitt/vagrant,apertoso/vagrant,clinstid/vagrant,myrjola/vagrant,kamazee/vagrant,tomfanning/vagrant,taliesins/vagrant,bryson/vagrant,rivy/vagrant,bdwyertech/vagrant,iNecas/vagrant,Sgoettschkes/vagrant,ferventcoder/vagrant,dustymabe/vagrant,philoserf/vagrant,BlakeMesdag/vagrant,Avira/vagrant,taliesins/vagrant,gajdaw/vagrant,zsjohny/vagrant,justincampbell/vagrant,senglin/vagrant