rtlwifi: Update copyright dates

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rtlwifi/usb.h b/drivers/net/wireless/rtlwifi/usb.h
index d2a63fb..cdad7c2 100644
--- a/drivers/net/wireless/rtlwifi/usb.h
+++ b/drivers/net/wireless/rtlwifi/usb.h
@@ -1,6 +1,6 @@
 /******************************************************************************
  *
- * Copyright(c) 2009-2011  Realtek Corporation. All rights reserved.
+ * Copyright(c) 2009-2012  Realtek Corporation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as