Pass a list of values into add_master_dns_records
During replica installation the local IP addresses should be
added to DNS but will fail because a string is being passed
to an argument expecting a list. Convert to a list before
passing in individual IPs.
Discovered when fixing https://pagure.io/freeipa/issue/7408
Signed-off-by: Rob Crittenden <rcritten@redhat.com>
Reviewed-By: Christian Heimes <cheimes@redhat.com>