[clutter] g-i: Annotate "callback" type of clutter_binding_pool_override_action()

[Rico Tzschichholz <ricotz src gnome org>]

commit bb3f2de58b20eb25c83990853ee2f6e7a1acf5d2
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Fri Jan 11 23:41:54 2019 +0100

    g-i: Annotate "callback" type of clutter_binding_pool_override_action()

 clutter/clutter-binding-pool.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/clutter/clutter-binding-pool.c b/clutter/clutter-binding-pool.c
index 66959c784..a76644826 100644
--- a/clutter/clutter-binding-pool.c
+++ b/clutter/clutter-binding-pool.c
@@ -588,7 +588,7 @@ clutter_binding_pool_install_closure (ClutterBindingPool  *pool,
  * @pool: a #ClutterBindingPool
  * @key_val: key symbol
  * @modifiers: bitmask of modifiers
- * @callback: function to be called when the action is activated
+ * @callback: (type Clutter.BindingActionFunc): function to be called when the action is activated
  * @data: data to be passed to @callback
  * @notify: function to be called when the action is removed
  *   from the pool