Added performance enhancement to Instancing, as suggested by m2codeGEN.
Added performance enhancement to Instancing, as suggested by m2codeGEN.

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