[gtk+] menu item: Remove an unused member

[Matthias Clasen <matthiasc src gnome org>]

commit dd01f2d4079c0274b98f17bafe9f029ab79df6e6
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Nov 2 22:20:04 2015 -0500

    menu item: Remove an unused member
    
    Nobody is reading or writing this field, so we can do without it.

 gtk/gtkmenuitemprivate.h |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkmenuitemprivate.h b/gtk/gtkmenuitemprivate.h
index e3673df..e0f12a6 100644
--- a/gtk/gtkmenuitemprivate.h
+++ b/gtk/gtkmenuitemprivate.h
@@ -39,7 +39,6 @@ struct _GtkMenuItemPrivate
   GtkAction *action;
   GtkActionHelper *action_helper;
 
-  guint show_submenu_indicator : 1;
   guint submenu_placement      : 1;
   guint submenu_direction      : 1;
   guint right_justify          : 1;