$NetBSD: patch-ap,v 1.1.1.1 2006/12/15 09:03:47 adam Exp $

--- CommonUtilitiesLib/OSRef.h.orig	2006-12-14 19:43:43.000000000 +0100
+++ CommonUtilitiesLib/OSRef.h
@@ -56,6 +56,9 @@ class OSRefTableUtils
         friend class OSRefKey;
 };
 
+// defined below
+class OSRefKey;
+
 class OSRef
 {
     public:
