Rearranged static SDL callback so that it's after the SDL.h header.
Rearranged static SDL callback so that it's after the SDL.h header.


artoolkit/osg,XiaoCC/osg,koshman86/osg,stmh/osg,ntoand/osg,koshman86/osg,stmh/osg,ghub/osg,koshman86/osg,XiaoCC/osg,ntoand/osg,ntoand/osg,stmh/osg,XiaoCC/osg,omega-hub/osg,ghub/osg,omega-hub/osg,artoolkit/osg,artoolkit/osg,ghub/osg,ghub/osg,omega-hub/osg,koshman86/osg,stmh/osg,artoolkit/osg,omega-hub/osg,XiaoCC/osg,stmh/osg,ntoand/osg,XiaoCC/osg