upstream: fix some memory leaks spotted by Coverity via Jakub Jelen

in bz#2366 feedback and ok dtucker@

OpenBSD-Commit-ID: 8402bbae67d578bedbadb0ce68ff7c5a136ef563

1 files changed, 2 insertions, 1 deletions

diff --git a/mux.c b/mux.c
index 6394e3e18..e607acd08 100644
--- a/mux.c
+++ b/mux.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mux.c,v 1.74 2018/07/11 18:53:29 markus Exp $ */
+/* $OpenBSD: mux.c,v 1.75 2018/07/31 03:07:24 djm Exp $ */
 /*
  * Copyright (c) 2002-2008 Damien Miller <djm@openbsd.org>
  *
@@ -1042,6 +1042,7 @@ process_mux_stdio_fwd(struct ssh *ssh, u_int rid,
                 set_nonblock(new_fd[1]);
 
         nc = channel_connect_stdio_fwd(ssh, chost, cport, new_fd[0], new_fd[1]);
+        free(chost);
 
         nc->ctl_chan = c->self;         /* link session -> control channel */
         c->remote_id = nc->self;        /* link control -> session channel */