plugins/auto: allow fallthrough if no zone match (#4166)
plugins/auto: allow fallthrough if no zone match (#4166)

* plugins/auto: allow fallthrough if no zone match

this is a solution to #3033

Signed-off-by: Macks <c119a148c049106f75adb1471afb880eb49d757e@outlook.com>

* plugin/auto.go remove whitespace

Signed-off-by: Macks <c119a148c049106f75adb1471afb880eb49d757e@outlook.com>
yongtang/coredns,johnbelamaric/coredns,coredns/coredns,miekg/coredns,miekg/coredns,chrisohaver/coredns,johnbelamaric/coredns