Minor fixes to the mDNS package

pkg/mdns/lib/src/native_protocol_client.dart

Index: pkg/mdns/lib/src/native_protocol_client.dart
diff --git a/pkg/mdns/lib/src/native_protocol_client.dart b/pkg/mdns/lib/src/native_protocol_client.dart
index 28af6742b713696dd9883d380fbe9bc32a55afca..ffbdd8f5317b25e8c3b7f8f28ce639d53480de79 100644
--- a/pkg/mdns/lib/src/native_protocol_client.dart
+++ b/pkg/mdns/lib/src/native_protocol_client.dart
@@ -132,7 +132,7 @@ class NativeProtocolMDnsClient implements MDnsClient {
     }
 
     // Look for entries in the cache.
-    List<ResourceRecordCache> cached = <ResourceRecord>[];
+    List<ResourceRecord> cached = <ResourceRecord>[];
     cache.lookup(name, type, cached);
     if (cached.isNotEmpty) {
       StreamController controller = new StreamController();