Copyright

[Hal Murray]

I just updated the NTS code to include a Copyright, copied from another module.

If this isn't appropriate, please tell me what it should be.

/*
 * nts_cookie.c - Network Time Security (NTS) cookie processing
 * Copyright 2019 by the NTPsec project contributors
 * SPDX-License-Identifier: BSD-4-Clause-UC
 *
...

--------

Should we update all the copyright dates based on the most recent git checkin 
dates?


-- 
These are my opinions.  I hate spam.