Godeps changes for kube-dns

vendor/github.com/miekg/dns/nsecx.go

@@ -50,6 +50,8 @@ func HashName(label string, ha uint8, iter uint16, salt string) string {
 	return toBase32(nsec3)
 }
 
+// Denialer is an interface that should be implemented by types that are used to denial
+// answers in DNSSEC.
 type Denialer interface {
 	// Cover will check if the (unhashed) name is being covered by this NSEC or NSEC3.
 	Cover(name string) bool