Update to NSPR 4.10.8

nspr/pr/src/io/prprf.c

 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /* 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/. */
 
 /*
 ** Portable safe sprintf code.
 **
 ** Author: Kipp E.B. Hickman
 */
 #include <stdarg.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <string.h>
 #include "primpl.h"
 #include "prprf.h"
 #include "prlong.h"
 #include "prlog.h"
 #include "prmem.h"
 
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && _MSC_VER < 1900
 #define snprintf _snprintf
 #endif
 
 /*
 ** WARNING: This code may *NOT* call PR_LOG (because PR_LOG calls it)
 */
 
 /*
 ** XXX This needs to be internationalized!
 */
@@ skipping 1207 matching lines @@
     rv = dosprintf(&ss, fmt, ap);
     if (rv < 0) {
         if (ss.base) {
             PR_DELETE(ss.base);
         }
         return 0;
     }
     return ss.base;
 }