File _servicedata of Package labwc-tweaks

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/labwc/labwc-tweaks.git</param>
              <param name="changesrevision">9b90fc7b0465d560abf14ee85bcd1df0063b253b</param></service></servicedata>