Updated openstack/openstack
Project: openstack/tempest  079bf98c183e6cee4a88745e96f5c1c6e269e973

HEAD doesn't return a body

The following warning message was misleading when doing the
results of a HEAD method, which never will have a body.

Change-Id: I585e114a3f35a2bc074ad479fc227b79df36df75