st/nine: Fix AlphaCmpCaps
st/nine: Fix AlphaCmpCaps

AlphaCmpCaps should advertise D3DPCMPCAPS_NEVER as well.

Fixes https://github.com/iXit/Mesa-3D/issues/142

Signed-off-by: Patrick Rudolph <2af63f351b8bda7baf3a287b873bcd3ca66a59bb@das-labor.org>
Reviewed-by: Axel Davy <2b6ef604b998fb81662f85c329e4fc020eae8e5d@ens.fr>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler