pkg/http_server: messed up one test, fixed whitespace

pkg/http_server/test/utils.dart

Index: pkg/http_server/test/utils.dart
diff --git a/pkg/http_server/test/utils.dart b/pkg/http_server/test/utils.dart
index 90b46fdc5691f7cec05a7de82e10e0a6903aa674..f1159c50acaba11cbdc3ee0b6702720637b4c8d0 100644
--- a/pkg/http_server/test/utils.dart
+++ b/pkg/http_server/test/utils.dart
@@ -25,7 +25,7 @@ Future<int> getStatusCode(int port,
         new Uri.https('localhost:$port', path) :
         new Uri.http('localhost:$port', path));
   }
-  
+
   return new HttpClient().getUrl(uri)
       .then((request) {
         if (host != null) request.headers.host = host;