Fixed shadow volume to support older feature sets
Fixed shadow volume to support older feature sets

paroj/ogre,RealityFactory/ogre,paroj/ogre,RealityFactory/ogre,OGRECave/ogre,OGRECave/ogre,RealityFactory/ogre,OGRECave/ogre,RealityFactory/ogre,paroj/ogre,OGRECave/ogre,paroj/ogre,paroj/ogre,OGRECave/ogre,RealityFactory/ogre