Bug#906438: nsd initscript improve stop action for chrooted daemon

[Markus Schade]

Hi Harald,

I have included your simple fix in git for the next release:

https://salsa.debian.org/dns-team/nsd/commit/ea3dafa968dbc3768184fda5da9cc9c3c3506c83

Thanks!

Best regards,
Markus