[323] Allow outgoing IPv6 connections to use TLS.

Bug: https://github.com/eclipse/mosquitto/issues/323

ChangeLog.txt

@@ -1,6 +1,11 @@
 Broker:
 - Fix crash when "lazy" type bridge attempts to reconnect. Closes #259.
 - maximum_connections now applies to websockets listeners. Closes #271.
+- Allow bridges to use TLS with IPv6.
+
+Client library:
+- Clients can now use TLS with IPv6.
+
 
 1.4.10 - 20160816
 =================

lib/net_mosq.c

@@ -281,14 +281,7 @@ int _mosquitto_try_connect(struct mosquitto *mosq, const char *host, uint16_t po
 
 	*sock = INVALID_SOCKET;
 	memset(&hints, 0, sizeof(struct addrinfo));
-#ifdef WITH_TLS
-	if(mosq->tls_cafile || mosq->tls_capath || mosq->tls_psk){
-		hints.ai_family = PF_INET;
-	}else
-#endif
-	{
-		hints.ai_family = PF_UNSPEC;
-	}
+	hints.ai_family = PF_UNSPEC;
 	hints.ai_flags = AI_ADDRCONFIG;
 	hints.ai_socktype = SOCK_STREAM;
 
@@ -542,6 +535,7 @@ int _mosquitto_socket_connect(struct mosquitto *mosq, const char *host, uint16_t
 			COMPAT_CLOSE(sock);
 			return MOSQ_ERR_TLS;
 		}
+
 		SSL_set_ex_data(mosq->ssl, tls_ex_index_mosq, mosq);
 		bio = BIO_new_socket(sock, BIO_NOCLOSE);
 		if(!bio){