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/filesystem/FileData.cpp

@@ -29,7 +29,7 @@ namespace love
 namespace filesystem
 {
 
-love::Type FileData::type(&Data::type);
+love::Type FileData::type("FileData", &Data::type);
 
 FileData::FileData(uint64 size, const std::string &filename)
 	: data(nullptr)