Fix up iOS media path in the sample browser.
Fix up iOS media path in the sample browser.

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