Update to OpenSSL 1.0.1g

Upgrade to the new OpenSSL 1.0.1g release. SHA-1 hash of file:
b28b3bcb1dc3ee7b55024c9f795be60eb3183e3c  openssl-1.0.1g.tar.gz

Change-Id: Ie839cf2a4367afbd2919180ea4ce016b1c8d6668
diff --git a/ssl/ssl.h b/ssl/ssl.h
index 4c38f6e..40c4d9c 100644
--- a/ssl/ssl.h
+++ b/ssl/ssl.h
@@ -928,7 +928,7 @@
 	 */
 	unsigned int max_send_fragment;
 
-#ifndef OPENSSL_ENGINE
+#ifndef OPENSSL_NO_ENGINE
 	/* Engine to pass requests for client certs to
 	 */
 	ENGINE *client_cert_engine;