Pass Type to luax_register_type by pointer instead of reference

Since the type is passed to va_start, and apparently that's undefined behaviour if it's a reference.

<Textmode> the best kind of behavior

--HG--
branch : dynamiccore2

src/modules/filesystem/wrap_DroppedFile.cpp

@@ -33,7 +33,7 @@ DroppedFile *luax_checkdroppedfile(lua_State *L, int idx)
 
 extern "C" int luaopen_droppedfile(lua_State *L)
 {
-	return luax_register_type(L, DroppedFile::type, w_File_functions, nullptr);
+	return luax_register_type(L, &DroppedFile::type, w_File_functions, nullptr);
 }
 
 } // filesystem