--- a/src/devices/wifi/qos-tag.h	Fri Jul 10 17:59:20 2009 +0400
+++ b/src/devices/wifi/qos-tag.h	Fri Jul 10 18:30:39 2009 +0400
@@ -33,6 +33,7 @@
   virtual TypeId GetInstanceTypeId (void) const;
   
   QosTag ();
+  QosTag (uint8_t tid);
   virtual void Serialize (TagBuffer i) const;
   virtual void Deserialize (TagBuffer i);
   virtual uint32_t GetSerializedSize () const;