File _servicedata of Package ffnvcodec

<servicedata>
<service name="tar_scm">
                <param name="url">https://git.videolan.org/git/ffmpeg/nv-codec-headers.git</param>
              <param name="changesrevision">c69278340ab1d5559c7d7bf0edf615dc33ddbba7</param></service></servicedata>