remove unedded atomic call ( protected by a lock )
remove unedded atomic call ( protected by a lock )

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