Added (hopefully) cross-platform love.timer.getMicroTime

src/modules/timer/sdl/wrap_Timer.h

@@ -1,14 +1,14 @@
 /**
 * Copyright (c) 2006-2009 LOVE Development Team
-* 
+*
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
-* 
+*
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
-* 
+*
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
@@ -36,6 +36,7 @@ namespace sdl
 	int w_getFPS(lua_State * L);
 	int w_sleep(lua_State * L);
 	int w_getTime(lua_State * L);
+	int w_getMicroTime(lua_State * L);
 	extern "C" LOVE_EXPORT int luaopen_love_timer(lua_State * L);
 
 } // sdl