helper: fix Linux build.
helper: fix Linux build.

mkrautz/sbcelt,mkrautz/sbcelt,SuperTux88/sbcelt,mumble-voip/sbcelt,mumble-voip/sbcelt,mumble-voip/sbcelt,mumble-voip/sbcelt,mkrautz/sbcelt,SuperTux88/sbcelt,SuperTux88/sbcelt,mkrautz/sbcelt,SuperTux88/sbcelt