From 93f80836b4de9489a762ba138714721a70ec699e Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Sat, 6 Jul 2019 17:54:56 +0100
Subject: [PATCH] cmdgen: add const on main() variable 'comment'.

It's a secondary reference to existing data (namely an argv word, if
anything at all), and never needs to be written through, so we should
mark it const, if nothing else to catch any absent-minded attempts to
free it.
---
 cmdgen.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmdgen.c b/cmdgen.c
index 5f62c656..b675d94d 100644
--- a/cmdgen.c
+++ b/cmdgen.c
@@ -222,7 +222,8 @@ int main(int argc, char **argv)
     enum { PRIVATE, PUBLIC, PUBLICO, FP, OPENSSH_AUTO,
            OPENSSH_NEW, SSHCOM } outtype = PRIVATE;
     int bits = -1;
-    char *comment = NULL, *origcomment = NULL;
+    const char *comment = NULL;
+    char *origcomment = NULL;
     bool change_passphrase = false;
     bool errs = false, nogo = false;
     int intype = SSH_KEYTYPE_UNOPENABLE;