Removing unnecessary debug information. Adding missing virtual
destructors to base classes
diff --git a/model/ccnx.h b/model/ccnx.h
index cafa354..32e2f57 100644
--- a/model/ccnx.h
+++ b/model/ccnx.h
@@ -94,6 +94,7 @@
    * \return interface ID
    */
   static TypeId GetTypeId ();
+  virtual ~Ccnx ();
 
   /**
    * \brief Send an Interest packet to a specified face