Update to NSS_3_12_6_RC1 and NSPR_4_8_4_RTM.

nss/mozilla/nsprpub/pr/include/md/_unixos.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,
@@ skipping 217 matching lines @@
 #if !defined(SOLARIS) 
 
 #define PR_SET_INTSOFF(newval)
 
 #endif
 
 /************************************************************************/
 
 extern void _PR_UnixInit(void);
 
+extern void _PR_UnixCleanup(void);
+#define _MD_EARLY_CLEANUP _PR_UnixCleanup
+
 /************************************************************************/
 
 struct _MDProcess {
     pid_t pid;
 };
 
 struct PRProcess;
 struct PRProcessAttr;
 
 /* Create a new process (fork() + exec()) */
@@ skipping 377 matching lines @@
 {
     _MD_Open64 _open64;
     _MD_Mmap64 _mmap64;
     _MD_Stat64 _stat64;
     _MD_Fstat64 _fstat64;
     _MD_Lseek64 _lseek64;
 };
 extern struct _MD_IOVector _md_iovector;
 
 #endif /* prunixos_h___ */