Be more careful during final cleanup process (all ccnx objects are now properly destroyed)
diff --git a/model/ccnx-fib.cc b/model/ccnx-fib.cc
index f8c5956..d473197 100644
--- a/model/ccnx-fib.cc
+++ b/model/ccnx-fib.cc
@@ -199,6 +199,7 @@
 CcnxFib::DoDispose (void)
 {
   m_node = 0;
+  clear ();
   Object::DoDispose ();
 }