File _servicedata of Package sdrpp-git

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/AlexandreRouma/SDRPlusPlus.git</param>
              <param name="changesrevision">794d6ff5acf66d5da7fb7fceba7b952c95305960</param></service></servicedata>