ff_fragment_shader: Silence unused parameter warning in smear

Just remove the parameter.  Silences:

../../src/mesa/main/ff_fragment_shader.cpp:668:1: warning: unused parameter 'p' [-Wunused-parameter]

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
1 file changed