[gtk+] Add more "reserved for expansion" fields to GtkWidgetClass

[Matthias Clasen <matthiasc src gnome org>]

commit d7d940c71e450fff99ddeb901bbea0b86d0722d8
Author: Havoc Pennington <hp pobox com>
Date:   Sun Sep 5 21:42:35 2010 -0400

    Add more "reserved for expansion" fields to GtkWidgetClass
    
    Only 3 were left. 3.x cycle may need more.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=628807

 gtk/gtkwidget.h |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkwidget.h b/gtk/gtkwidget.h
index 0bae2c6..220e39b 100644
--- a/gtk/gtkwidget.h
+++ b/gtk/gtkwidget.h
@@ -528,9 +528,14 @@ struct _GtkWidgetClass
    */
 
   /* Padding for future expansion */
+  void (*_gtk_reserved1) (void);
+  void (*_gtk_reserved2) (void);
+  void (*_gtk_reserved3) (void);
+  void (*_gtk_reserved4) (void);
   void (*_gtk_reserved5) (void);
   void (*_gtk_reserved6) (void);
   void (*_gtk_reserved7) (void);
+  void (*_gtk_reserved8) (void);
 };
 
 struct _GtkWidgetAuxInfo