Update ignore Strict-SNI log. Add instructions on how to build.

openssl_ignore_log_strict-sni.patch

@@ -0,0 +1,16 @@
+diff --git a/ssl/statem/extensions.c b/ssl/statem/extensions.c
+index 8422161dc1..675446e59f 100644
+--- a/ssl/statem/extensions.c
++++ b/ssl/statem/extensions.c
+@@ -998,7 +998,9 @@ static int final_server_name(SSL *s, unsigned int context, int sent)
+
+     switch (ret) {
+     case SSL_TLSEXT_ERR_ALERT_FATAL:
+-        SSLfatal(s, altmp, SSL_F_FINAL_SERVER_NAME, SSL_R_CALLBACK_FAILED);
++        s->statem.in_init = 1;
++        s->statem.state = MSG_FLOW_ERROR;
++        ssl3_send_alert(s, SSL3_AL_FATAL, SSL_F_FINAL_RENEGOTIATE);
+         return 0;
+
+     case SSL_TLSEXT_ERR_ALERT_WARNING:
+