File _service:tar_scm:_servicedata of Package babl

<servicedata>
<service name="tar_scm">
                <param name="url">https://gitlab.gnome.org/GNOME/babl.git</param>
              <param name="changesrevision">a28309ca623a42651ddd49deeb736ddc03bbd0fc</param></service></servicedata>