Make love::Type handle type names

TODO: Fix undefined behaviour in luax_register_type, you can't use a va_list after a reference type

--HG--
branch : dynamiccore2

src/modules/sound/SoundData.cpp

@@ -34,7 +34,7 @@ namespace love
 namespace sound
 {
 
-love::Type SoundData::type(&Data::type);
+love::Type SoundData::type("SoundData", &Data::type);
 
 SoundData::SoundData(Decoder *decoder)
 	: data(0)