illumos gate

git commit 78a2e113edb6fe0a0382b403b55d92e8f0bba78f

commit  78a2e113edb6fe0a0382b403b55d92e8f0bba78f
Author: Andy Fiddaman <omnios@citrus-it.co.uk>
Date:   2019-10-24T20:12:56.000Z

    9531 Want netstat -u to show PIDs associated with sockets
    11707 provide 64-bit libdhcpagent
    11708 netstat should be smatch and CERRWARN clean
    Portions contributed by: Mohamed A. Khalfella <khalfella@gmail.com>
    Reviewed by: Robert Mustacchi <rm@fingolfin.org>
    Reviewed by: Dominik Hassler <hadfl@omniosce.org>
    Approved by: Garrett D'Amore <garrett@damore.org>