Backtick-escape the facter env command in powershell. Fixes issue 3958
Backtick-escape the facter env command in powershell. Fixes issue 3958

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