Fix shutdown loaders

runtime/bin/vmservice/loader.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of vmservice_io;
 
 _sanitizeWindowsPath(path) {
   // For Windows we need to massage the paths a bit according to
   // http://blogs.msdn.com/b/ie/archive/2006/12/06/file-uris-in-windows.aspx
   //
@@ skipping 873 matching lines @@
 // Shutdown all active loaders by sending an error message.
 void shutdownLoaders() {
   String message = 'Service shutdown';
   if (_httpClient != null) {
     _httpClient.close(force: true);
     _httpClient = null;
   }
   isolateEmbedderData.values.toList().forEach((IsolateLoaderState ils) {
     ils.cleanup();
     assert(ils.sp != null);
-    _sendResourceResponse(ils.sp, 1, null, null, message);
+    _sendResourceResponse(ils.sp, 1, null, null, null, message);
   });
 }
 
 // See Dart_LibraryTag in dart_api.h
 const _Dart_kCanonicalizeUrl = 0;      // Canonicalize the URL.
 const _Dart_kScriptTag = 1;            // Load the root script.
 const _Dart_kSourceTag = 2;            // Load a part source.
 const _Dart_kImportTag = 3;            // Import a library.
 
 // Extra requests. Keep these in sync between loader.dart and builtin.dart.
@@ skipping 161 matching lines @@
             _log('Unknown scheme (${pathUri.scheme}) in $pathUri.');
           }
           _sendExtensionImportResponse(sp, uri, libraryUri, null);
         break;
       }
     break;
     default:
       _log('Unknown loader request tag=$tag from $isolateId');
   }
 }