File _service:obs_scm:_servicedata of Package ristretto

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/xfce-mirror/ristretto.git</param>
              <param name="changesrevision">a87890439e9bbc7948b13ef08d2bcbaf945b76b6</param></service></servicedata>