i965/fs: Silence unused parameter warning

I don't this opt_cmod_propagation_local ever used the fs_visitor.

brw_fs_cmod_propagation.cpp:52:40: warning: unused parameter 'v' [-Wunused-parameter]
 opt_cmod_propagation_local(fs_visitor *v, bblock_t *block)
                                        ^

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
1 file changed