From valeriy Onuchin: -TGLScene.cxx. fix compilation problem with VC6 compiler
From valeriy Onuchin:
-TGLScene.cxx. fix compilation problem with VC6 compiler


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@12057 27541ba8-7e3a-0410-8455-c3a389f83636

dawehner/root,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root,dawehner/root,dawehner/root,dawehner/root,bbannier/ROOT,bbannier/ROOT,dawehner/root,bbannier/ROOT,dawehner/root