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-rw-r--r--gtk/gtksocket.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/gtk/gtksocket.h b/gtk/gtksocket.h
index 246a70fbba..814bb335d7 100644
--- a/gtk/gtksocket.h
+++ b/gtk/gtksocket.h
@@ -73,6 +73,12 @@ struct _GtkSocketClass
void (*plug_added) (GtkSocket *socket);
gboolean (*plug_removed) (GtkSocket *socket);
+
+ /* Padding for future expansion */
+ void (*_gtk_reserved1) (void);
+ void (*_gtk_reserved2) (void);
+ void (*_gtk_reserved3) (void);
+ void (*_gtk_reserved4) (void);
};