Fixed annoying warnings when compiling using SFML as platform
Fixed annoying warnings when compiling using SFML as platform

vonture/GWEN,vonture/GWEN,rgde/GWEN,rjwilson/GWEN,GlPortal/gwen,rgde/GWEN,rjwilson/GWEN,garrynewman/GWEN,garrynewman/GWEN,rgde/GWEN,garrynewman/GWEN,rjwilson/GWEN,vonture/GWEN,GlPortal/gwen