iOS build script update for Xcode 4.3
iOS build script update for Xcode 4.3

--HG--
branch : v1-8

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