SL-16388 fixed copyright header dates for new MFA floater source files

indra/newview/llfloatermfa.cpp

@@ -2,9 +2,9 @@
  * @file llfloatermfa.cpp
  * @brief Multi-Factor Auth token submission dialog
  *
- * $LicenseInfo:firstyear=2003&license=viewerlgpl$
+ * $LicenseInfo:firstyear=2021&license=viewerlgpl$
  * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
+ * Copyright (C) 2021, Linden Research, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public

indra/newview/llfloatermfa.h

@@ -2,9 +2,9 @@
  * @file llfloatermfa.h
  * @brief Multi-Factor Auth token submission dialog
  *
- * $LicenseInfo:firstyear=2003&license=viewerlgpl$
+ * $LicenseInfo:firstyear=2021&license=viewerlgpl$
  * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
+ * Copyright (C) 2021, Linden Research, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public