- Fixed issue with color mask in OpenGL.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4879 dfc29bdd-3216-0410-991c-e03cc46cb475
- Removed glGetError calls (IBO and VBO update) from release builds.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4882 dfc29bdd-3216-0410-991c-e03cc46cb475