[Swan-commit] Changes to ref refs/heads/main

[Andrew Cagney]

New commits:
commit 845c6dc1b0e826d779d89e48125cfc5d48160ec6
Author: Andrew Cagney <cagney at gnu.org>
Date:   Mon Jan 4 16:59:22 2021 -0500

    whack: don't require --ipv6 when specifying an IPv6 address parameter
    
    Instead of assuming IPv4, determine the address family from the
    command line parameter.  Given a FQDN, try to resolve it as IPv4
    before IPv6.