Fixed null triangle index support for meshlights.
Fixed null triangle index support for meshlights.


k-matsuzaki/sunflow,k-matsuzaki/sunflow,fpsunflower/sunflow,matheusabrantesgadelha/sunflow,matheusabrantesgadelha/sunflow,fpsunflower/sunflow,monkstone/sunflow,k-matsuzaki/sunflow,fpsunflower/sunflow,monkstone/sunflow,matheusabrantesgadelha/sunflow,matheusabrantesgadelha/sunflow,fpsunflower/sunflow,k-matsuzaki/sunflow,fpsunflower/sunflow,k-matsuzaki/sunflow,monkstone/sunflow,matheusabrantesgadelha/sunflow,k-matsuzaki/sunflow,matheusabrantesgadelha/sunflow,monkstone/sunflow,monkstone/sunflow,fpsunflower/sunflow