File _servicedata of Package v4l2loopback

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/umlaeute/v4l2loopback</param>
              <param name="changesrevision">7546a42a66d856933a75c2b0896cb735e3ca00c0</param></service></servicedata>