fix client getting hung up on at negotiation

Signed-off-by: Andy Green <andy.green@linaro.org>

lib/client.c

@@ -442,6 +442,7 @@ some_wait:
 			lws_latency(context, wsi, "send lws_issue_raw", n,
 				    n == 1);
 			switch (n) {
+			case 0:
 			case LWS_SSL_CAPABLE_ERROR:
 				goto bail3;
 			case LWS_SSL_CAPABLE_MORE_SERVICE:

lib/service.c

@@ -701,6 +701,8 @@ handle_pending:
 		break;
 #else
 		n = lws_client_socket_service(context, wsi, pollfd);
+		if (n)
+			return 1;
 		goto handled;
 #endif
 	}