Updated openstack/openstack
Project: openstack/nova  3f76884c4f986e0a9f862c535940dbb0c27b58fc
null
xenapi: Fix agent update message format

Fix the agent update message send so Windows guests will work

Message must be formatted: "url,md5sum"

Change-Id: I675cc5a7ca522696eab1820c14c48361ff7e0f74
Closes-Bug: 1250165