File _servicedata of Package retrogram-rtlsdr

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/r4d10n/retrogram-rtlsdr.git</param>
              <param name="changesrevision">91dd79e915d51c804e1a562058ea7bc161bcd537</param></service></servicedata>