Fix incorrect comment for publish_aaaa_on_ipv4
Fix incorrect comment for publish_aaaa_on_ipv4

Comment for publish_aaaa_on_ipv4 incorrectly duplicated the
publish_a_on_ipv6 comment. (Closes: #41)

lathiat/avahi,heftig/avahi,lathiat/avahi,lathiat/avahi,heftig/avahi,heftig/avahi,lathiat/avahi,heftig/avahi,heftig/avahi,lathiat/avahi,lathiat/avahi,heftig/avahi