Make OGRE_DELETE_T macros (and variants) gracefully handle nulls
Make OGRE_DELETE_T macros (and variants) gracefully handle nulls

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