File _servicedata of Package gnome-keysign

<servicedata>
<service name="tar_scm">
            <param name="url">https://github.com/GNOME-Keysign/gnome-keysign.git</param>
          <param name="changesrevision">5d1c180dd9de8593036dbf05ab9990cb17534a2f</param></service></servicedata>