swrast: Rename blend_func->swrast_blend_func

This avoids a conflict with the new (driver-agnostic) blend_func enum in
shader_enum.h, which broke the build of swrast (and i965 by extension).

My apologies :(

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Fixes: f41be53a ("compiler: Add enums for blend state")
Cc: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
1 file changed