Bug#987104: minetest-server: Ipv6 is not enabled in default settings.

[Robert Seimetz]

Control: tags -1 + patch

Hi,

in accordance to my recent bug report, I have made a patch for the 
problem which is attached to this email.

-- 
Robert Martin Seimetz (Veranstaltungsorganisation; Tutor 
Spielprogrammierung)
Teckids e.V. - Digitale Freiheit mit Jugend und Bildung.
https://www.teckids.org/