[gtk+] GtkWindow: Small documentation addition

[Matthias Clasen <matthiasc src gnome org>]

commit d642ae78fc3bd98cd6c6223637fda7b09c08aabb
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jun 20 10:36:09 2015 -0400

    GtkWindow: Small documentation addition

 gtk/gtkwindow.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkwindow.h b/gtk/gtkwindow.h
index 4d97020..b40efdc 100644
--- a/gtk/gtkwindow.h
+++ b/gtk/gtkwindow.h
@@ -65,6 +65,8 @@ struct _GtkWindow
  * @activate_default: Activates the default widget for the window.
  * @keys_changed: Signal gets emitted when the set of accelerators or
  *   mnemonics that are associated with window changes.
+ * @enable_debugging: Class handler for the #GtkWindow::enable-debugging
+ *   keybinding signal. Since: 3.14
  */
 struct _GtkWindowClass
 {