upstream: - add -P to usage() - sync the arg name to -J in usage()

with that in ssh.1 - reformat usage() to match what "man ssh" does on 80width

OpenBSD-Commit-ID: 5235dd7aa42e5bf90ae54579d519f92fc107036e

ssh.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh.c,v 1.591 2023/07/17 04:08:31 djm Exp $ */
+/* $OpenBSD: ssh.c,v 1.592 2023/07/17 05:41:53 jmc Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -179,13 +179,13 @@ static void
 usage(void)
 {
 	fprintf(stderr,
-"usage: ssh [-46AaCfGgKkMNnqsTtVvXxYy] [-B bind_interface]\n"
-"           [-b bind_address] [-c cipher_spec] [-D [bind_address:]port]\n"
-"           [-E log_file] [-e escape_char] [-F configfile] [-I pkcs11]\n"
-"           [-i identity_file] [-J [user@]host[:port]] [-L address]\n"
-"           [-l login_name] [-m mac_spec] [-O ctl_cmd] [-o option] [-p port]\n"
-"           [-Q query_option] [-R address] [-S ctl_path] [-W host:port]\n"
-"           [-w local_tun[:remote_tun]] destination [command [argument ...]]\n"
+"usage: ssh [-46AaCfGgKkMNnqsTtVvXxYy] [-B bind_interface] [-b bind_address]\n"
+"           [-c cipher_spec] [-D [bind_address:]port] [-E log_file]\n"
+"           [-e escape_char] [-F configfile] [-I pkcs11] [-i identity_file]\n"
+"           [-J destination] [-L address] [-l login_name] [-m mac_spec]\n"
+"           [-O ctl_cmd] [-o option] [-P tag] [-p port] [-Q query_option]\n"
+"           [-R address] [-S ctl_path] [-W host:port] [-w local_tun[:remote_tun]]\n"
+"           destination [command [argument ...]]\n"
 	);
 	exit(255);
 }