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

mozilla/nsprpub/pr/include/md/_pth.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
- *
- * 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/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * 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
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
+/* 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/. */
 
 #ifndef nspr_pth_defs_h_
 #define nspr_pth_defs_h_
 
 /*
 ** Appropriate definitions of entry points not used in a pthreads world
 */
 #define _PR_MD_BLOCK_CLOCK_INTERRUPTS()
 #define _PR_MD_UNBLOCK_CLOCK_INTERRUPTS()
 #define _PR_MD_DISABLE_CLOCK_INTERRUPTS()
@@ skipping 250 matching lines @@
         || defined(LINUX) || defined(__GNU__) || defined(__GLIBC__) \
         || defined(FREEBSD) || defined(NETBSD) || defined(OPENBSD) \
         || defined(BSDI) || defined(NTO) || defined(DARWIN) \
         || defined(UNIXWARE) || defined(RISCOS) || defined(SYMBIAN)
 #define _PT_PTHREAD_YIELD()             sched_yield()
 #else
 #error "Need to define _PT_PTHREAD_YIELD for this platform"
 #endif
 
 #endif /* nspr_pth_defs_h_ */