simplify for loop logic
simplify for loop logic

grubernaut/packer,timsutton/packer,pecigonzalo/packer,dave2/packer,youhong316/packer,tas50/packer,youhong316/packer,timsutton/packer,tas50/packer,mkuzmin/packer,grubernaut/packer,mkuzmin/packer,dave2/packer,grubernaut/packer,dave2/packer,pecigonzalo/packer,timsutton/packer,bryson/packer,ricardclau/packer,bryson/packer,mitchellh/packer,rnaveiras/packer,ricardclau/packer,youhong316/packer,pecigonzalo/packer,mkuzmin/packer,ricardclau/packer,timsutton/packer,youhong316/packer,paulmey/packer,grubernaut/packer,youhong316/packer,dave2/packer,dave2/packer,paulmey/packer,youhong316/packer,timsutton/packer,pecigonzalo/packer,bryson/packer,dave2/packer,mkuzmin/packer,rnaveiras/packer,tas50/packer,timsutton/packer,ricardclau/packer,paulmey/packer,bryson/packer,mkuzmin/packer,bryson/packer,tas50/packer,mitchellh/packer,mkuzmin/packer,paulmey/packer,mitchellh/packer,ricardclau/packer,rnaveiras/packer,tas50/packer,hashicorp/packer,tas50/packer,grubernaut/packer,mitchellh/packer,paulmey/packer,hashicorp/packer,rnaveiras/packer,rnaveiras/packer,bryson/packer,ricardclau/packer,mitchellh/packer,hashicorp/packer,rnaveiras/packer,grubernaut/packer,paulmey/packer,hashicorp/packer