File _servicedata of Package libnatpmp

<servicedata>
  <service name="tar_scm">
    <param name="url">https://github.com/miniupnp/libnatpmp.git</param>
    <param name="changesrevision">0c56980a3dcfab08bd7dd145d49fb4868fbaf1ca</param>
  </service>
</servicedata>