[gtk+] GtkMenuButton: do not use gpointer for the arrow widget

[Paolo Borelli <pborelli src gnome org>]

commit 8b6bf3a5eaa2d03a05ee6c311e84e4cfe3fb6755
Author: Paolo Borelli <pborelli gnome org>
Date:   Sun Jul 20 14:12:30 2014 +0200

    GtkMenuButton: do not use gpointer for the arrow widget
    
    Just a small cleanup, we can use a proper type.

 gtk/gtkmenubutton.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkmenubutton.c b/gtk/gtkmenubutton.c
index 2557609..5130e35 100644
--- a/gtk/gtkmenubutton.c
+++ b/gtk/gtkmenubutton.c
@@ -125,7 +125,7 @@ struct _GtkMenuButtonPrivate
   gpointer user_data;
 
   GtkWidget *align_widget;
-  gpointer arrow_widget;
+  GtkWidget *arrow_widget;
   GtkArrowType arrow_type;
   gboolean use_popover;
 };