Index: gtkitemfactory.h
===================================================================
--- gtkitemfactory.h	(revision 19291)
+++ gtkitemfactory.h	(working copy)
@@ -47,7 +47,7 @@
  * (Note that if we are included from a C++ program () will mean
  * (void) so an explicit cast will be needed.)
  */
-typedef	void	(*GtkItemFactoryCallback)  ();
+typedef	void	(*GtkItemFactoryCallback)  (void);
 typedef	void	(*GtkItemFactoryCallback1) (gpointer		 callback_data,
 					    guint		 callback_action,
 					    GtkWidget		*widget);
