--- io.h.orig	Mon Mar  9 17:00:00 1998
+++ io.h	Tue Mar 28 15:24:54 2000
@@ -39,7 +39,7 @@
   char *URL_CG_Home;
   char *URL_TU_Vienna;
   
-  ControlClass();
+  void ControlClassInit();
   int GetDraw();
   void SetDraw(int d);
   void SetCursor(int Active, Window win);
