xenserver windows agent 'version' cmd needs an argument

[Chris Behrens]

The windows agent for xenserver requires the 'version' command have arguments of either 'agent' or 'xentools'. We're currently passing no argument.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/7325

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/7325
Committed: http://github.com/openstack/nova/commit/584917cce51d9100abf4e5160c6cf5fa7055f618
Submitter: Jenkins
Branch: master

commit 584917cce51d9100abf4e5160c6cf5fa7055f618
Author: Chris Behrens <email address hidden>
Date: Thu May 10 21:17:16 2012 +0000

    Fix XenServer windows agent issue

    Windows agent requires an argument of either 'agent' or 'xentools' to
    the 'version' command. All we care about is 'agent', so add it. The
    unix agent happily ignores the arg.

    Fixes bug 997805

    Change-Id: Ic369c8a2850173057da9d3175a02b5864d7a6514