Clarify licenses on a bunch of files.

net/third_party/nss/ssl/bodge/secure_memcmp.c

Index: net/third_party/nss/ssl/bodge/secure_memcmp.c
diff --git a/net/third_party/nss/ssl/bodge/secure_memcmp.c b/net/third_party/nss/ssl/bodge/secure_memcmp.c
index c21e866eff57fb037553aba2d0bc872476bd6e79..b18579c6eaaa65bb1f5373d122d4378ca04c96b4 100644
--- a/net/third_party/nss/ssl/bodge/secure_memcmp.c
+++ b/net/third_party/nss/ssl/bodge/secure_memcmp.c
@@ -1,3 +1,39 @@
+/* ***** 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
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape security libraries.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1994-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * 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 ***** */
+
 // This file exists to provide the secure memcmp function. This was added in
 // NSS 3.12.5.