[gtk+] docs: fix typo in function name

[William Jon McCann <mccann src gnome org>]

commit 4292f2f958155c99fcd555c991a67c5c72139b7a
Author: William Jon McCann <william jon mccann gmail com>
Date:   Tue Jan 21 16:27:14 2014 -0500

    docs: fix typo in function name

 gtk/gtkmenushell.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkmenushell.c b/gtk/gtkmenushell.c
index ae9fd56..113bb4a 100644
--- a/gtk/gtkmenushell.c
+++ b/gtk/gtkmenushell.c
@@ -2156,7 +2156,7 @@ gtk_menu_shell_tracker_insert_func (GtkMenuTrackerItem *item,
  * For most cases you are probably better off using
  * gtk_menu_new_from_model() or gtk_menu_bar_new_from_model() or just
  * directly passing the #GMenuModel to gtk_application_set_app_menu() or
- * gtk_application_set_menu_bar().
+ * gtk_application_set_menubar().
  *
  * Since: 3.6
  */