[gtk+] docs: Update code demo for newer glib

[Benjamin Otte <otte src gnome org>]

commit 4dbedb748130370e77352dba26a4cb9a18751ba7
Author: Benjamin Otte <otte redhat com>
Date:   Sat Dec 10 05:26:06 2011 +0100

    docs: Update code demo for newer glib

 gtk/gtktreeselection.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtktreeselection.c b/gtk/gtktreeselection.c
index 8ea86dc..071a87b 100644
--- a/gtk/gtktreeselection.c
+++ b/gtk/gtktreeselection.c
@@ -554,8 +554,7 @@ gtk_tree_selection_get_selected (GtkTreeSelection  *selection,
  *
  * To free the return value, use:
  * |[
- * g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
- * g_list_free (list);
+ * g_list_free_full (list, (GDestroyNotify) gtk_tree_path_free);
  * ]|
  *
  * Return value: (element-type GtkTreePath) (transfer full): A #GList containing a #GtkTreePath for each selected row.