Fixed crash of bad check-in in instancing VTF technique
Fixed crash of bad check-in in instancing VTF technique

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