--- a/src/applications/v4ping/v4ping.h	Mon Dec 15 09:38:26 2008 -0800
+++ b/src/applications/v4ping/v4ping.h	Tue Dec 16 12:36:50 2008 -0800
@@ -18,6 +18,8 @@
   virtual ~V4Ping ();
 
 private:
+  void Write32 (uint8_t *buffer, uint32_t data);
+
   // inherited from Application base class.
   virtual void StartApplication (void);
   virtual void StopApplication (void);