--- a/src/devices/wifi/mac-low.h	Sun Mar 02 06:32:03 2008 +0100
+++ b/src/devices/wifi/mac-low.h	Sun Mar 02 06:43:12 2008 +0100
@@ -382,6 +382,7 @@
   void SendDataPacket (void);
   void SendCurrentTxPacket (void);
   void StartDataTxTimers (void);
+  virtual void DoDispose (void);
 
   Ptr<WifiPhy> m_phy;
   Ptr<WifiMac> m_mac;