kubernetes: fix the type (#2208)

client-go is a "empty interface" waste-land and we're missing an
integration test so we didn't catch. Try this.
Signed-off-by: Miek Gieben <miek@miek.nl>

plugin/kubernetes/controller.go

@@ -115,7 +115,7 @@ func newdnsController(kubeClient kubernetes.Interface, opts dnsControlOpts) *dns
 			ListFunc:  serviceListFunc(dns.client, api.NamespaceAll, dns.selector),
 			WatchFunc: serviceWatchFunc(dns.client, api.NamespaceAll, dns.selector),
 		},
-		&object.Service{},
+		&api.Service{},
 		opts.resyncPeriod,
 		cache.ResourceEventHandlerFuncs{AddFunc: dns.Add, UpdateFunc: dns.Update, DeleteFunc: dns.Delete},
 		cache.Indexers{svcNameNamespaceIndex: svcNameNamespaceIndexFunc, svcIPIndex: svcIPIndexFunc},
@@ -128,7 +128,7 @@ func newdnsController(kubeClient kubernetes.Interface, opts dnsControlOpts) *dns
 				ListFunc:  podListFunc(dns.client, api.NamespaceAll, dns.selector),
 				WatchFunc: podWatchFunc(dns.client, api.NamespaceAll, dns.selector),
 			},
-			&object.Pod{},
+			&api.Pod{},
 			opts.resyncPeriod,
 			cache.ResourceEventHandlerFuncs{AddFunc: dns.Add, UpdateFunc: dns.Update, DeleteFunc: dns.Delete},
 			cache.Indexers{podIPIndex: podIPIndexFunc},