dns/dnsmasq: fix error "config error is REFUSED (EDE: not ready)"

Fix --address=/#/...... which was lost in 2.86

ML message:
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg15508.html

Git commit:
https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=26bbf5a314d833beaf0f147d24409969f05f3dba

PR: 260331
Obtained from: Simon Kelley (upstream maintainer)