Update NSS libSSL to NSS_3_15_BETA2.

net/third_party/nss/ssl/sslgathr.c

 /*
  * Gather (Read) entire SSL2 records from socket into buffer.  
  *
  * 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/. */
-/* $Id: sslgathr.c,v 1.15 2012/04/25 14:50:12 gerv%gerv.net Exp $ */
+/* $Id$ */
 #include "cert.h"
 #include "ssl.h"
 #include "sslimpl.h"
 #include "sslproto.h"
 
 /* Forward static declarations */
 static SECStatus ssl2_HandleV3HandshakeRecord(sslSocket *ss);
 
 /*
 ** Gather a single record of data from the receiving stream. This code
@@ skipping 427 matching lines @@
     rv = ssl3_NegotiateVersion(ss, SSL_LIBRARY_VERSION_MAX_SUPPORTED,
                                PR_TRUE);
     if (rv != SECSuccess) {
         return rv;
     }
 
     ss->sec.send         = ssl3_SendApplicationData;
 
     return SECSuccess;
 }