--- demo/handler/dlenv.c.orig	2011-08-02 17:50:22.000000000 +0200
+++ demo/handler/dlenv.c	2011-08-02 17:50:43.000000000 +0200
@@ -35,6 +35,7 @@
 #include "handlers.h"
 #include "dlenv.h"
 #include "tsm.h"
+#include "bip.h"
 
 /** @file dlenv.c  Initialize the DataLink configuration. */