Some work on WTP.

FossilOrigin-Name: 6ec1370311c5b83dc78adbfb75f8241e0916b171a9c0f939d24ec28ebdf908c8

src/capwap/capwap_action_helpers.c

@@ -41,7 +41,7 @@ struct cw_item * cw_out_get_session_id(struct conn *conn,struct cw_action_out *
 
 	int slen;
 	if ( conn->capwap_mode == CW_MODE_CISCO){
-		slen=4;
+		slen=2;
 	}
 	else
 		slen=16;