vnconfig option "-c" does not exist on OpenBSD

Hello,

Running veracrypt on OpenBSD-current via:

$ veracrypt -t -k "" --pim=0 --protect-hidden=no /home/media/vc /mnt/veracrypt1

gives the following error:

Enter password for /home/media/vc:
Error: vnconfig: unknown option -- c
usage: vnconfig [-v] [-k | -K rounds [-S saltfile]] [-t disktype]
[vnd_dev] image
       vnconfig -l [vnd_dev]
              vnconfig -u [-v] vnd_dev

That '-c' may have sneaked in from FreeBSD's 4.xx vnconfig as far as I can tell.

$ head Core/Unix/OpenBSD/CoreOpenBSD.cpp 

/* $OpenBSD$ */
/*
 Based on FreeBSD/CoreFreeBSD.cpp

 Derived from source code of TrueCrypt 7.1a, which is
 Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
 by the TrueCrypt License 3.0.

 Modifications and additions to the original source code (contained in this file)
 and all other portions of this file are Copyright (c) 2013-2017 IDRIX

The following patch makes it work again here on OpenBSD.

--- Core/Unix/OpenBSD/CoreOpenBSD.cpp.dist  Tue Aug 30 11:32:39 2022
+++ Core/Unix/OpenBSD/CoreOpenBSD.cpp   Tue Aug 30 11:34:49 2022
@@ -69,7 +69,7 @@
        if (freeVnd == -1)
            throw "couldn't find free vnd";

-       args.push_back ("-c");
+       // args.push_back ("-c");

        stringstream freePath;
        freePath << "vnd" << freeVnd;

This is on OpenBSD 7.2-current amd64 and veracrypt-1.25.9.

veracrypt / VeraCrypt

vnconfig option "-c" does not exist on OpenBSD #968