Fix named parameter function calls

tests/language/src/NamedParametersTest.dart

 // Copyright (c) 2011, 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.
 // Dart test program for testing named parameters.
 
 
 class NamedParametersTest {
 
   static int F00() {
     return 0;
@@ skipping 90 matching lines @@
   I();
   int mul(int a, [int factor]);
 }
 
 class C implements I {
   int mul(int a, [int factor = 10]) {
     return a * factor;
   }
 }
 
+hello(msg, to, [from]) => '${from} sent ${msg} to ${to}';
+message() => hello("gladiolas", "possums", from: "Edna");
 
 main() {
   NamedParametersTest.testMain();
   var i = new I();
   Expect.equals(100, i.mul(10));
   Expect.equals(1000, i.mul(10, 100));
   var c = new C();
   Expect.equals(100, c.mul(10));
   Expect.equals(1000, c.mul(10, 100));
+  Expect.equals("Edna sent gladiolas to possums", message());
 }