Update to NSPR 4.9.5, part 1: MPL 2 upgrade only.

mozilla/nsprpub/pr/src/io/prmapopt.c

 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
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- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is the Netscape Portable Runtime (NSPR).
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998-2000
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 /*
  * This file defines _PR_MapOptionName().  The purpose of putting
  * _PR_MapOptionName() in a separate file is to work around a Winsock
  * header file problem on Windows NT.
  *
  * On Windows NT, if we define _WIN32_WINNT to be 0x0400 (in order
  * to use Service Pack 3 extensions), windows.h includes winsock2.h
  * (instead of winsock.h), which doesn't define many socket options
  * defined in winsock.h.
@@ skipping 439 matching lines @@
 
     if (socketOptions[optname] == _PR_NO_SUCH_SOCKOPT)
     {
         PR_SetError(PR_OPERATION_NOT_SUPPORTED_ERROR, 0);
         return PR_FAILURE;
     }
     *name = socketOptions[optname];
     *level = socketLevels[optname];
     return PR_SUCCESS;
 }  /* _PR_MapOptionName */