File _servicedata of Package libdxfrw

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/LibreCAD/libdxfrw/</param>
              <param name="changesrevision">d73a25c61fa6b7f41000b38b4b4c8b32ed4e2fd1</param></service></servicedata>