Fixed operator
Fixed operator

Fixed String::operator+=(const wchar_t). The problem was that a temporary variable don't have an address.
GodotNativeTools/cpp_bindings,GodotNativeTools/cpp_bindings,godotengine/godot-cpp,GodotNativeTools/godot-cpp,godotengine/godot-cpp,GodotNativeTools/godot-cpp,godotengine/godot-cpp,godotengine/godot-cpp,GodotNativeTools/godot-cpp