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

mozilla/nsprpub/pr/include/private/pprio.h

 /* -*- 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
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- * 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
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- * License.
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- * 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):
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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/. */
 
 /*
 ** File:        pprio.h
 **
 ** Description: Private definitions for I/O related structures
 */
 
 #ifndef pprio_h___
 #define pprio_h___
 
@@ skipping 218 matching lines @@
 **    Cancel IO operations on fd.
 */
 NSPR_API(PRStatus) PR_NT_CancelIo(PRFileDesc *fd);
 
 
 #endif /* WIN32 */
 
 PR_END_EXTERN_C
 
 #endif /* pprio_h___ */