Making everything compile. Now everything seems to work, but more
checking is necessary
diff --git a/apps/ccnx-producer.h b/apps/ccnx-producer.h
index 289c22e..ac9a492 100644
--- a/apps/ccnx-producer.h
+++ b/apps/ccnx-producer.h
@@ -41,6 +41,14 @@
   // inherited from CcnxApp
   void OnInterest (const Ptr<const CcnxInterestHeader> &interest);
 
+protected:
+  // inherited from Application base class.
+  virtual void
+  StartApplication ();    // Called at time specified by Start
+
+  virtual void
+  StopApplication ();     // Called at time specified by Stop
+
 private:
   CcnxNameComponents m_prefix;
   uint32_t m_virtualPayloadSize;