upstream commit

Make ""Killed by signal 1" LogLevel verbose so it's not
shown at the default level.  Prevents it from appearing during ssh -J and
equivalent ProxyCommand configs. bz#1906, bz#2744, feedback&ok markus@

Upstream-ID: debfaa7e859b272246c2f2633335d288d2e2ae28

clientloop.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: clientloop.c,v 1.300 2017/06/23 07:24:48 mestre Exp $ */
+/* $OpenBSD: clientloop.c,v 1.301 2017/07/14 03:18:21 dtucker Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1418,8 +1418,10 @@ client_loop(int have_pty, int escape_char_arg, int ssh2_chan_id)
 		exit_status = 0;
 	}
 
-	if (received_signal)
-		fatal("Killed by signal %d.", (int) received_signal);
+	if (received_signal) {
+		verbose("Killed by signal %d.", (int) received_signal);
+		cleanup_exit(0);
+	}
 
 	/*
 	 * In interactive mode (with pseudo tty) display a message indicating