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/Decoder.cpp

@@ -27,7 +27,7 @@ namespace love
 namespace sound
 {
 
-love::Type Decoder::type(&Object::type);
+love::Type Decoder::type("Decoder", &Object::type);
 
 Decoder::Decoder(Data *data, const std::string &ext, int bufferSize)
 	: data(data)

src/modules/sound/Sound.cpp

@@ -25,7 +25,7 @@ namespace love
 namespace sound
 {
 
-love::Type Sound::type(&Module::type);
+love::Type Sound::type("Sound", &Module::type);
 
 Sound::~Sound()
 {

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)

src/modules/sound/wrap_Decoder.cpp

@@ -109,7 +109,7 @@ static const luaL_Reg w_Decoder_functions[] =
 
 extern "C" int luaopen_decoder(lua_State *L)
 {
-	return luax_register_type(L, Decoder::type, "Decoder", w_Decoder_functions, nullptr);
+	return luax_register_type(L, Decoder::type, w_Decoder_functions, nullptr);
 }
 
 } // sound

src/modules/sound/wrap_SoundData.cpp

@@ -110,7 +110,7 @@ static const luaL_Reg w_SoundData_functions[] =
 
 extern "C" int luaopen_sounddata(lua_State *L)
 {
-	int ret = luax_register_type(L, SoundData::type, "SoundData", w_Data_functions, w_SoundData_functions, nullptr);
+	int ret = luax_register_type(L, SoundData::type, w_Data_functions, w_SoundData_functions, nullptr);
 
 	luax_gettypemetatable(L, SoundData::type);