Fix a build error that I introduced a few revisions ago. Strange that clang lets it through.
Fix a build error that I introduced a few revisions ago. Strange that clang lets it through.

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