cocos2d/cocos2d-swift — pull request #1039 by thayerandrews (2014-10-21 19:09:50+00:00)
Title: CCEffectLighting - Fix specular exponent == 0.0

If the specular exponent is 0.0 then specularity is disabled and a couple specular uniforms go away. Make sure we don't set them in this case.