fixed a ridiculous number of gcc warnings, nearly all of which were complaints about unused parameters - the remaining 199 warnings I get are from code that isn't ours (box2d is responsible for all but 8 of them)

src/modules/event/sdl/wrap_Event.cpp

@@ -132,7 +132,7 @@ namespace sdl
 		return 0;
 	}
 
-	int w_pump(lua_State * L)
+	int w_pump(lua_State *)
 	{
 		instance->pump();
 		return 0;