mitchellh/packer — pull request #558 by fabiang (2013-10-23 13:07:58+00:00)
Title: Arguments Prefix (--) was missing for (data)portconfig

Hi,

die prefixes (--) for the (data)portcount argument in the VirtualBox driver are missing. Current result is:
"==> virtualbox: VBoxManage: error: Invalid parameter 'portcount'"