[gtk+/gtk-2-22] Annotate gdk_display_manager_list_displays return value

[Matthias Clasen <matthiasc src gnome org>]

commit 10ebcedf56ae60675494d08ad9c64c08acd1a00a
Author: Tomeu Vizoso <tomeu vizoso collabora co uk>
Date:   Fri Jul 2 10:51:45 2010 +0200

    Annotate gdk_display_manager_list_displays return value
    
    https://bugzilla.gnome.org/show_bug.cgi?id=623307
    (cherry picked from commit eae60c34d2f38206ce063251a862a109af41a881)

 gdk/gdkdisplaymanager.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/gdk/gdkdisplaymanager.c b/gdk/gdkdisplaymanager.c
index e10adc6..c171524 100644
--- a/gdk/gdkdisplaymanager.c
+++ b/gdk/gdkdisplaymanager.c
@@ -248,8 +248,9 @@ gdk_display_manager_set_default_display (GdkDisplayManager *display_manager,
  *
  * List all currently open displays.
  * 
- * Return value: a newly allocated #GSList of #GdkDisplay objects.
- *  Free this list with g_slist_free() when you are done with it.
+ * Return value: (transfer container) (element-type GdkDisplay): a newly allocated
+ * #GSList of #GdkDisplay objects. Free this list with g_slist_free() when you
+ * are done with it.
  *
  * Since: 2.2
  **/