Fix misdocumentation of "variables" attribute (#3433)
Fix misdocumentation of "variables" attribute (#3433)

- Variables is not a JSON array or "[]" it is a JSON object "{}" or map.
atlassian/packer,mwhooker/packer,ricardclau/packer,atlassian/packer,pvandervelde/packer,rnaveiras/packer,vtolstov/packer,tsmolka/packer,mohae/packer,mafrosis/packer,Akasurde/packer,taliesins/packer,dayglojesus/packer,vtolstov/packer,mkuzmin/packer,routelastresort/packer,mitchellh/packer,pieter-lazzaro/packer,jimmythedog/packer,pvandervelde/packer,mwhooker/packer,bryson/packer,threatstream/packer,rickard-von-essen/packer,mitchellh/packer,monkeylittleinc/packer,pieter-lazzaro/packer,rickard-von-essen/packer,pvanbuijtene/packer,quantang/packer,p1-nico/packer,samdunne/packer,rnaveiras/packer,routelastresort/packer,p1-nico/packer,tsmolka/packer,tb3088/packer,quantang/packer,youhong316/packer,youhong316/packer,paulmey/packer,sean-/packer,pieter-lazzaro/packer,markpeek/packer,jimmythedog/packer,pvanbuijtene/packer,mwhooker/packer,rnaveiras/packer,tas50/packer,dayglojesus/packer,taliesins/packer,grange74/packer,ricardclau/packer,paulmey/packer,paulmey/packer,vtolstov/packer,markpeek/packer,esemplare/packer,ricardclau/packer,ChrisLundquist/packer,hashicorp/packer,yoctocloud/packer,grange74/packer,marc-ta/packer,mkuzmin/packer,zhuzhih2017/packer,routelastresort/packer,mayflower/packer,pecigonzalo/packer,KohlsTechnology/packer,ChrisLundquist/packer,boumenot/packer,mayflower/packer,tas50/packer,tb3088/packer,marc-ta/packer,pvandervelde/packer,p1-nico/packer,mafrosis/packer,grange74/packer,bryson/packer,taliesins/packer,tas50/packer,Akasurde/packer,vtolstov/packer,mitchellh/packer,zhuzhih2017/packer,pvanbuijtene/packer,paulmey/packer,rnaveiras/packer,youhong316/packer,youhong316/packer,life360/packer,arizvisa/packer,sean-/packer,life360/packer,mayflower/packer,sean-/packer,atlassian/packer,hashicorp/packer,grubernaut/packer,paulmey/packer,Akasurde/packer,grange74/packer,yoctocloud/packer,marc-ta/packer,zhuzhih2017/packer,samdunne/packer,rnaveiras/packer,zhuzhih2017/packer,dave2/packer,tsmolka/packer,mayflower/packer,bryson/packer,pecigonzalo/packer,p1-nico/packer,hashicorp/packer,sneal/packer,legal90/packer,mohae/packer,threatstream/packer,c22/packer,boumenot/packer,paulmey/packer,atlassian/packer,dave2/packer,dave2/packer,life360/packer,smaato/packer,rickard-von-essen/packer,KohlsTechnology/packer,jimmythedog/packer,dayglojesus/packer,jen20/packer,threatstream/packer,boumenot/packer,c22/packer,markpeek/packer,dave2/packer,esemplare/packer,rnaveiras/packer,mafrosis/packer,quantang/packer,esemplare/packer,mafrosis/packer,pecigonzalo/packer,KohlsTechnology/packer,smaato/packer,smaato/packer,tsmolka/packer,pvandervelde/packer,smaato/packer,mohae/packer,sneal/packer,boumenot/packer,youhong316/packer,mafrosis/packer,hashicorp/packer,routelastresort/packer,ricardclau/packer,c22/packer,pvanbuijtene/packer,legal90/packer,tb3088/packer,zhuzhih2017/packer,arizvisa/packer,rickard-von-essen/packer,sean-/packer,life360/packer,quantang/packer,samdunne/packer,monkeylittleinc/packer,Akasurde/packer,taliesins/packer,threatstream/packer,tb3088/packer,mitchellh/packer,smaato/packer,esemplare/packer,arizvisa/packer,grubernaut/packer,jimmythedog/packer,sneal/packer,mkuzmin/packer,monkeylittleinc/packer,dave2/packer,youhong316/packer,p1-nico/packer,legal90/packer,arizvisa/packer,ChrisLundquist/packer,pvandervelde/packer,p1-nico/packer,mkuzmin/packer,yoctocloud/packer,ChrisLundquist/packer,samdunne/packer,timsutton/packer,c22/packer,pvandervelde/packer,marc-ta/packer,markpeek/packer,monkeylittleinc/packer,KohlsTechnology/packer,ricardclau/packer,bryson/packer,vtolstov/packer,KohlsTechnology/packer,smaato/packer,threatstream/packer,pieter-lazzaro/packer,mohae/packer,timsutton/packer,boumenot/packer,tb3088/packer,esemplare/packer,routelastresort/packer,arizvisa/packer,atlassian/packer,Akasurde/packer,ChrisLundquist/packer,bryson/packer,pieter-lazzaro/packer,rickard-von-essen/packer,pvanbuijtene/packer,grubernaut/packer,ChrisLundquist/packer,tas50/packer,tb3088/packer,grubernaut/packer,dayglojesus/packer,dayglojesus/packer,sneal/packer,grubernaut/packer,pecigonzalo/packer,taliesins/packer,sean-/packer,c22/packer,jen20/packer,yoctocloud/packer,jen20/packer,markpeek/packer,jen20/packer,quantang/packer,mayflower/packer,markpeek/packer,tsmolka/packer,taliesins/packer,tas50/packer,legal90/packer,ricardclau/packer,monkeylittleinc/packer,timsutton/packer,jen20/packer,mkuzmin/packer,pieter-lazzaro/packer,timsutton/packer,timsutton/packer,mwhooker/packer,samdunne/packer,KohlsTechnology/packer,mwhooker/packer,mitchellh/packer,jimmythedog/packer,timsutton/packer,mohae/packer,bryson/packer,mkuzmin/packer,sean-/packer,legal90/packer,grange74/packer,c22/packer,tas50/packer,sneal/packer,yoctocloud/packer,zhuzhih2017/packer,tsmolka/packer,dave2/packer,atlassian/packer,life360/packer,jen20/packer,grubernaut/packer,arizvisa/packer