Fix some warnings that spam when building with Visual Studio
Fix some warnings that spam when building with Visual Studio

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