SceneTree: Fix type hints for `global_menu_action` signal

Fixes https://github.com/godotengine/godot-headers/issues/89.

scene/main/scene_tree.cpp

@@ -1940,7 +1940,9 @@ void SceneTree::_bind_methods() {
 	ADD_SIGNAL(MethodInfo("physics_frame"));
 
 	ADD_SIGNAL(MethodInfo("files_dropped", PropertyInfo(Variant::POOL_STRING_ARRAY, "files"), PropertyInfo(Variant::INT, "screen")));
-	ADD_SIGNAL(MethodInfo("global_menu_action", PropertyInfo(Variant::NIL, "id"), PropertyInfo(Variant::NIL, "meta")));
+	ADD_SIGNAL(MethodInfo("global_menu_action",
+			PropertyInfo(Variant::NIL, "id", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NIL_IS_VARIANT),
+			PropertyInfo(Variant::NIL, "meta", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NIL_IS_VARIANT)));
 	ADD_SIGNAL(MethodInfo("network_peer_connected", PropertyInfo(Variant::INT, "id")));
 	ADD_SIGNAL(MethodInfo("network_peer_disconnected", PropertyInfo(Variant::INT, "id")));
 	ADD_SIGNAL(MethodInfo("connected_to_server"));