tool button: Use standard padding

diff --git a/gtk/gtktoolbutton.h b/gtk/gtktoolbutton.h
index cbdae70ad6ab8e7ec88c82c020014681591e2737..5cefd1644b7469bb5600ccf28c71acd530db942f 100644 (file)
--- a/gtk/gtktoolbutton.h
+++ b/gtk/gtktoolbutton.h
@@ -68,11 +68,7 @@ struct _GtkToolButtonClass
 
   /*< private >*/
 
-  /* Padding for future expansion */
-  void (* _gtk_reserved1) (void);
-  void (* _gtk_reserved2) (void);
-  void (* _gtk_reserved3) (void);
-  void (* _gtk_reserved4) (void);
+  gpointer padding[8];
 };
 
 GDK_AVAILABLE_IN_ALL