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-rw-r--r--gtk/gtkcurve.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/gtk/gtkcurve.h b/gtk/gtkcurve.h
index 027a86c5e3..4ffeeab45d 100644
--- a/gtk/gtkcurve.h
+++ b/gtk/gtkcurve.h
@@ -87,6 +87,12 @@ struct _GtkCurveClass
GtkDrawingAreaClass parent_class;
void (* curve_type_changed) (GtkCurve *curve);
+
+ /* Padding for future expansion */
+ void (*_gtk_reserved1) (void);
+ void (*_gtk_reserved2) (void);
+ void (*_gtk_reserved3) (void);
+ void (*_gtk_reserved4) (void);
};