It was initially meant for tests, which are all now in dlls/mf as well,
and for the WMA decoder. The class is supposed to live in this DLL but
because of the winegstreamer implementation, it cannot in Wine.
Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>