--- builderUnmerge.cpp.orig	Mon Sep 30 10:55:56 2002
+++ builderUnmerge.cpp	Mon Sep 30 10:56:37 2002
@@ -73,6 +73,7 @@ public:
       const XxFln f3n2 
    );
 
+   virtual ~XxConflictFormatError() throw() { }
 };
 
 //------------------------------------------------------------------------------
