Skip adding tls extensions to client hello when protocol version is

not TLS.

diff -up openssl-0.9.8g/ssl/t1_lib.c.no-extssl openssl-0.9.8g/ssl/t1_lib.c

--- openssl-0.9.8g/ssl/t1_lib.c.no-extssl	2007-10-19 09:44:10.000000000 +0200

+++ openssl-0.9.8g/ssl/t1_lib.c	2007-12-13 17:22:10.000000000 +0100

@@ -132,6 +132,11 @@ unsigned char *ssl_add_clienthello_tlsex

 	int extdatalen=0;

 	unsigned char *ret = p;

+	if (s->client_version != TLS1_VERSION && s->client_version != DTLS1_VERSION)

+	{

+		return ret;

+	}

+

 	ret+=2;

 	if (ret>=limit) return NULL; /* this really never occurs, but ... */