- Fix comments in math.dart

lib/math/math.dart

Index: lib/math/math.dart
===================================================================
--- lib/math/math.dart	(revision 7892)
+++ lib/math/math.dart	(working copy)
@@ -1,8 +1,8 @@
-# Copyright (c) 2012, 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.
+// Copyright (c) 2012, 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.
 
 #library("math");
 
 #source("base.dart");
-#source("random.dart");
+#source("random.dart");