File _servicedata of Package qpwgraph

<servicedata>
<service name="tar_scm">
                <param name="url">https://gitlab.freedesktop.org/rncbc/qpwgraph.git</param>
              <param name="changesrevision">d655a8b3ef8160ba6fa2a979e387effddbf59fc2</param></service></servicedata>