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-rw-r--r--gtk/gtkspinbutton.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/gtk/gtkspinbutton.h b/gtk/gtkspinbutton.h
index 590402f33..0c23cb28d 100644
--- a/gtk/gtkspinbutton.h
+++ b/gtk/gtkspinbutton.h
@@ -110,6 +110,12 @@ struct _GtkSpinButtonClass
/* Action signals for keybindings, do not connect to these */
void (*change_value) (GtkSpinButton *spin_button,
GtkScrollType scroll);
+
+ /* Padding for future expansion */
+ void (*_gtk_reserved1) (void);
+ void (*_gtk_reserved2) (void);
+ void (*_gtk_reserved3) (void);
+ void (*_gtk_reserved4) (void);
};