Bug#941026: netcfg_gateway_reachable wrongly rejects IPv6 link-local addresses

[Andrew Kanaber <adk-debianbugs@jump.net.uk>]

Hello,

This bug is now fixed and can be closed, also #901255 which I see is for
the same issue.

Thank you Igor Scheller for the fix, there's even a test:
https://salsa.debian.org/installer-team/netcfg/-/commit/6bff2dee11a8d5493f87ec541f854e3897ef6a9a

Thanks,

Andrew