Fix PSSMShadowCameraSetup::calculateSplitPoints when using arbitrary number of splits
Fix PSSMShadowCameraSetup::calculateSplitPoints when using arbitrary number of splits

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