updated scripting interface

include/core/Godot.hpp

@@ -731,7 +731,7 @@ void register_signal(String name, Dictionary args = Dictionary())
 		String name = args.keys()[i];
 		godot_string *_key = (godot_string *)&name;
 		godot_string_new(&signal.args[i].name);
-		godot_string_copy_string(&signal.args[i].name, _key);
+		godot_string_new_copy(&signal.args[i].name, _key);
 
 		// if (entry.size() > 1) {
 		// 	signal.args[i].type = entry[1];