mesa: fix TexParameter and SamplerParameter cases
What does this MR do and why?
mesa: fix TexParameter and SamplerParameter cases
EXT extension was added without tests so these functions did not work properly.
Fixes: 799710be ("mesa: Add EXT_texture_mirror_clamp_to_edge to extension table") Signed-off-by: Tapani Pälli tapani.palli@intel.com