fog/fog — pull request #2395 by domcleal (2013-11-14 17:46:57+00:00)
Title: [vsphere|compute] restore default guest_id so setting it is optional

cc @MarcGrimme, @ewoud

I suspect this wasn't intentional, as it now means the guest_id has to be set: http://projects.theforeman.org/issues/3653