TT#89352 explicitly disable lws IPv6 for IPv4 binds

Change-Id: Ibb0defaaf05e5be2937e24e5d04de0647a652349

daemon/websocket.c

@@ -900,6 +900,8 @@ int websocket_init(void) {
 			.protocols = websocket_protocols,
 		};
 		vhost->vhost_name = vhost->iface;
+		if (ep.address.family->af == AF_INET)
+			vhost->options |= LWS_SERVER_OPTION_DISABLE_IPV6;
 		err = "LWS failed to create vhost";
 		if (!lws_create_vhost(websocket_context, vhost))
 			goto err;
@@ -930,6 +932,8 @@ int websocket_init(void) {
 			// XXX cipher list, key password
 		};
 		vhost->vhost_name = vhost->iface;
+		if (ep.address.family->af == AF_INET)
+			vhost->options |= LWS_SERVER_OPTION_DISABLE_IPV6;
 		err = "LWS failed to create vhost";
 		if (!lws_create_vhost(websocket_context, vhost))
 			goto err;