Add "a tls-version" configuration option to select the protocol version of the SIP/TLS endpoint, possible values are "tlsv1" and "sslv23", with SSLv2/3 being the default because that is what phones seem to be using (e.g. spa962)

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@6963 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/mod_sofia.h

@@ -243,6 +243,7 @@ struct sofia_profile {
 	sofia_dtmf_t dtmf_type;
 	int sip_port;
 	int tls_sip_port;
+	int tls_version;
 	char *codec_string;
 	int running;
 	int dtmf_duration;