vdsm.spec.in: update raw_version_revision

The raw_version_revision from dsaversion.py should be updated with the
version/release of RPM removing the git stuff.

Change-Id: I8dc1e514ef8fd626018167e1dd13bc58100d5d7b
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=893193
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/14011
Reviewed-by: Dan Kenigsberg <danken@redhat.com>