--- a/src/devices/wifi/adhoc-wifi-mac.h	Thu Oct 02 15:04:28 2008 +0200
+++ b/src/devices/wifi/adhoc-wifi-mac.h	Thu Oct 02 17:05:16 2008 +0200
@@ -85,6 +85,7 @@
   /* invoked by the MacLows. */
   void ForwardUp (Ptr<Packet> packet, WifiMacHeader const*hdr);
   AdhocWifiMac (const AdhocWifiMac & ctor_arg);
+  AdhocWifiMac &operator = (const AdhocWifiMac &o);
   Mac48Address GetBssid (void) const;
 
   Ptr<DcaTxop> m_dca;