Update to NSS 3.12.7 and NSPR 4.8.6....

nss/mozilla/nsprpub/pr/src/md/windows/w95thred.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/
  *
  * Software distributed under the License is distributed on an "AS IS" basis,
@@ skipping 20 matching lines @@
  * 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 ***** */
 
 #include "primpl.h"
 #include <process.h>  /* for _beginthreadex() */
 
-#if _MSC_VER <= 1200
+#if defined(_MSC_VER) && _MSC_VER <= 1200
 /*
  * VC++ 6.0 doesn't have DWORD_PTR.
  */
 
 typedef DWORD DWORD_PTR;
 #endif /* _MSC_VER <= 1200 */
 
 /* --- globals ------------------------------------------------ */
 #ifdef _PR_USE_STATIC_TLS
 __declspec(thread) struct PRThread  *_pr_thread_last_run;
@@ skipping 362 matching lines @@
 
 #else  // _WIN64
 
 #pragma data_seg(".CRT$XLB")
 PIMAGE_TLS_CALLBACK p_thread_callback = PR_OnThreadExit;
 
 // Reset the default section.
 #pragma data_seg()
 
 #endif  // _WIN64