$NetBSD: patch-at,v 1.3 2013/03/24 16:51:08 joerg Exp $

--- APIModules/QTSSSpamDefenseModule.bproj/QTSSSpamDefenseModule.cpp.orig	2007-02-15 23:13:47.000000000 +0000
+++ APIModules/QTSSSpamDefenseModule.bproj/QTSSSpamDefenseModule.cpp
@@ -62,6 +62,8 @@ class IPAddrTableElem
         friend class OSHashTable<IPAddrTableElem, IPAddrTableKey>;
 };
 
+// defined below
+class IPAddrTableKey;
 
 class IPAddrTableKey
 {