Update to NSS 3.12.7 and NSPR 4.8.6....

nss/mozilla/security/nss/lib/util/portreg.c

 /* ***** 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
@@ skipping 186 matching lines @@
 
     /* Find the closing parenthesis that ends this union in the expression */
     cp = _scan_and_copy(exp, ')', '\0', NULL);
     if (cp == ABORTED || cp < 4) /* must be at least "(a|b" before ')' */
         return ABORTED;
     ++cp;                /* now index of char after closing parenthesis */
     e2 = (char *) PORT_Alloc(1 + strlen(exp));
     if (!e2)
         return ABORTED;
     for (sx = 1; ; ++sx) {
-        /* Here, exp[sx] is one character past the preceeding '(' or '|'. */
+        /* Here, exp[sx] is one character past the preceding '(' or '|'. */
         /* Copy everything up to the next delimiter to e2 */
         count = _scan_and_copy(exp + sx, ')', '|', e2);
         if (count == ABORTED || !count) {
             ret = ABORTED;
             break;
         }
         sx += count;
         /* Append everything after closing parenthesis to e2. This is safe. */
         strcpy(e2+count, exp+cp);
         ret = _shexp_match(str, e2, case_insensitive, level + 1);
@@ skipping 185 matching lines @@
       {
         case INVALID_SXP:
             return -1;
         case NON_SXP:
             return (PORT_Strcasecmp(exp,str) ? 1 : 0);
         default:
             return port_RegExpMatch(str, exp, PR_TRUE);
       }
 }