r300g/vdpau: enable again
r300g/vdpau: enable again

Signed-off-by: David Heidelberger <8de13cb18e1989109cab4cbfd6c023f411f99f84@ixit.cz>
Signed-off-by: Marek Olšák <8c7344a1abdb103e79ecfd488098373070c3c70e@amd.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler