Add out annotations for clutter_path_get_node() and
clutter_path_get_position()
https://bugzilla.gnome.org/show_bug.cgi?id=664336
* clutter_path_get_node:
* @path: a #ClutterPath
* @index_: the node number to retrieve
- * @node: a location to store a copy of the node
+ * @node: (out): a location to store a copy of the node
*
* Retrieves the node of the path indexed by @index.
*
* clutter_path_get_position:
* @path: a #ClutterPath
* @progress: a position along the path as a fraction of its length
- * @position: location to store the position
+ * @position: (out): location to store the position
*
* The value in @progress represents a position along the path where
* 0.0 is the beginning and 1.0 is the end of the path. An