Update to NSS_3_12_6_RC1 and NSPR_4_8_4_RTM.

nss/mozilla/nsprpub/pr/src/misc/prinit.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 391 matching lines @@
         PR_Unlock(_pr_activeLock);
 
 #ifdef IRIX
                 _PR_MD_PRE_CLEANUP(me);
                 /*
                  * The primordial thread must now be running on the primordial cpu
                  */
         PR_ASSERT((_PR_IS_NATIVE_THREAD(me)) || (me->cpu->id == 0));
 #endif
 
+        _PR_MD_EARLY_CLEANUP();
+
         _PR_CleanupMW();
         _PR_CleanupTime();
         _PR_CleanupDtoa();
         _PR_CleanupCallOnce();
                 _PR_ShutdownLinker();
         _PR_CleanupNet();
         _PR_CleanupIO();
         /* Release the primordial thread's private data, etc. */
         _PR_CleanupThread(me);
 
@@ skipping 435 matching lines @@
     PR_fprintf(
         PR_STDERR, "'%s' is obsolete. Use '%s' instead.\n",
         obsolete, (NULL == preferred) ? "something else" : preferred);
 #endif
     return PR_FALSE;
 }  /* _PR_Obsolete */
 
 /* prinit.c */