Fix issue #6561 - Pass "--config" option correctly to "lxc launch"
Fix issue #6561 - Pass "--config" option correctly to "lxc launch"

dave2/packer,youhong316/packer,grubernaut/packer,tas50/packer,grubernaut/packer,mkuzmin/packer,mkuzmin/packer,paulmey/packer,rnaveiras/packer,grubernaut/packer,timsutton/packer,dave2/packer,youhong316/packer,rnaveiras/packer,tas50/packer,hashicorp/packer,bryson/packer,youhong316/packer,dave2/packer,mkuzmin/packer,rnaveiras/packer,ricardclau/packer,hashicorp/packer,hashicorp/packer,tb3088/packer,rnaveiras/packer,ricardclau/packer,paulmey/packer,pecigonzalo/packer,paulmey/packer,hashicorp/packer,timsutton/packer,bryson/packer,tb3088/packer,mitchellh/packer,timsutton/packer,dave2/packer,paulmey/packer,tb3088/packer,rnaveiras/packer,dave2/packer,mkuzmin/packer,grubernaut/packer,rnaveiras/packer,mitchellh/packer,tas50/packer,mkuzmin/packer,bryson/packer,tas50/packer,paulmey/packer,tb3088/packer,ricardclau/packer,timsutton/packer,youhong316/packer,timsutton/packer,mitchellh/packer,youhong316/packer,pecigonzalo/packer,mitchellh/packer,timsutton/packer,bryson/packer,youhong316/packer,grubernaut/packer,pecigonzalo/packer,tas50/packer,grubernaut/packer,tb3088/packer,paulmey/packer,dave2/packer,mitchellh/packer,bryson/packer,ricardclau/packer,pecigonzalo/packer,ricardclau/packer,mkuzmin/packer,ricardclau/packer,bryson/packer,tas50/packer,tb3088/packer