--- a/src/node/l3-demux.h	Mon Apr 30 09:48:35 2007 +0200
+++ b/src/node/l3-demux.h	Mon Apr 30 10:00:34 2007 +0200
@@ -59,7 +59,7 @@
    *          performed in this object. The caller must
    *          delete the returned object.
    */
-  TraceResolver *CreateTraceResolver (TraceContext const &context);
+  TraceResolver *CreateTraceResolver (TraceContext const &context) const;
 
 
   /**