[gtk+] Add annotation to gdk_screen_get_monitor_geometry

[Matthias Clasen <matthiasc src gnome org>]

commit 4ef86fc500119ce4ab71cdf942b58d58df9d96b1
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Dec 3 08:21:48 2010 -0500

    Add annotation to gdk_screen_get_monitor_geometry
    
    Pointed out by William Jon McCann.

 gdk/x11/gdkscreen-x11.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdk/x11/gdkscreen-x11.c b/gdk/x11/gdkscreen-x11.c
index 90d35dc..5927378 100644
--- a/gdk/x11/gdkscreen-x11.c
+++ b/gdk/x11/gdkscreen-x11.c
@@ -450,7 +450,7 @@ gdk_x11_screen_get_monitor_output (GdkScreen *screen,
  * gdk_screen_get_monitor_geometry:
  * @screen: a #GdkScreen
  * @monitor_num: the monitor number, between 0 and gdk_screen_get_n_monitors (screen)
- * @dest: a #GdkRectangle to be filled with the monitor geometry
+ * @dest: (out) (allow-none): a #GdkRectangle to be filled with the monitor geometry
  *
  * Retrieves the #GdkRectangle representing the size and position of
  * the individual monitor within the entire screen area.