Update net/third_party/nss to NSS 3.13.3.

net/third_party/nss/patches/handshakeshortwrite.patch

-From eb24998651cb972c60453b5d5fb1e13dfd8107ce Mon Sep 17 00:00:00 2001
-From: Adam Langley <agl@chromium.org>
-Date: Mon, 3 Oct 2011 12:26:44 -0400
-Subject: [PATCH] handshakeshortwrite.patch
-
----
- mozilla/security/nss/lib/ssl/sslsecur.c |   13 ++++++++++++-
- 1 files changed, 12 insertions(+), 1 deletions(-)
-
-diff --git a/mozilla/security/nss/lib/ssl/sslsecur.c b/mozilla/security/nss/lib/ssl/sslsecur.c
-index 816b8f6..dc374e0 100644
---- a/mozilla/security/nss/lib/ssl/sslsecur.c
-+++ b/mozilla/security/nss/lib/ssl/sslsecur.c
-@@ -388,6 +388,18 @@ SSL_ForceHandshake(PRFileDesc *fd)
-     if (!ss->opt.useSecurity) 
-        return SECSuccess;
- 
-+    if (!ssl_SocketIsBlocking(ss)) {
-+       ssl_GetXmitBufLock(ss);
-+       if (ss->pendingBuf.len != 0) {
-+           int sent = ssl_SendSavedWriteData(ss);
-+           if ((sent < 0) && (PORT_GetError() != PR_WOULD_BLOCK_ERROR)) {
-+               ssl_ReleaseXmitBufLock(ss);
-+               return SECFailure;
-+           }
-+       }
-+       ssl_ReleaseXmitBufLock(ss);
-+    }
-+
-     ssl_Get1stHandshakeLock(ss);
- 
-     if (ss->version >= SSL_LIBRARY_VERSION_3_0) {
-@@ -1128,7 +1140,6 @@ ssl_SecureRecv(sslSocket *ss, unsigned char *buf, int len, int flags)
-                ssl_ReleaseXmitBufLock(ss);
-                return SECFailure;
-            }
--           /* XXX short write? */
-        }
-        ssl_ReleaseXmitBufLock(ss);
-     }