Cleaned up the OpenGL error reporting.
Cleaned up the OpenGL error reporting.


tomasthoresen/osg,artoolkit/osg,marchelbling/osg,scrawl/osg,tomasthoresen/osg,tomasthoresen/osg,tomasthoresen/osg,scrawl/osg,jtorresfabra/osg,artoolkit/osg,jtorresfabra/osg,marchelbling/osg,openscenegraph/osg,openscenegraph/osg,openscenegraph/osg,scrawl/osg,openscenegraph/osg,jtorresfabra/osg,artoolkit/osg,artoolkit/osg,marchelbling/osg,scrawl/osg,jtorresfabra/osg,marchelbling/osg