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-rw-r--r--gtk/gtkscrollbar.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/gtk/gtkscrollbar.h b/gtk/gtkscrollbar.h
index 3aa59538bf..7d4bf231e0 100644
--- a/gtk/gtkscrollbar.h
+++ b/gtk/gtkscrollbar.h
@@ -56,6 +56,12 @@ struct _GtkScrollbar
struct _GtkScrollbarClass
{
GtkRangeClass parent_class;
+
+ /* Padding for future expansion */
+ void (*_gtk_reserved1) (void);
+ void (*_gtk_reserved2) (void);
+ void (*_gtk_reserved3) (void);
+ void (*_gtk_reserved4) (void);
};