fixed compilation in C++14 mode
fixed compilation in C++14 mode

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