Fix warning in gcc
Fix warning in gcc

--HG--
extra : rebase_source : 69b29ff6a225d09d4e71ef9570d66e8ae9ccac8c

jhu-lcsr-forks/ogre,vancepym/ogre,largerussiangames/ogre,jhu-lcsr-forks/ogre,nezticle/ogre,nezticle/ogre,jhu-lcsr-forks/ogre,largerussiangames/ogre,vancepym/ogre,nezticle/ogre,nezticle/ogre,vancepym/ogre,jhu-lcsr-forks/ogre,jhu-lcsr-forks/ogre,vancepym/ogre,vancepym/ogre,largerussiangames/ogre,largerussiangames/ogre