Update to new version 0.8.22 from BRCM

- Based on 0c01d65 : Ignore TX status for Data frames from not associated
  STA

Change-Id: I2776ff8e292593f407bf5b9177640c512e06bf0d
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/ap/accounting.c b/src/ap/accounting.c
index 03421b3..2a04560 100644
--- a/src/ap/accounting.c
+++ b/src/ap/accounting.c
@@ -2,14 +2,8 @@
  * hostapd / RADIUS Accounting
  * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
  */
 
 #include "utils/includes.h"