[NaCl Addin] Fix building of libraries in MSVS

visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/NaClLink.cs

-
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 using System;
 using System.IO;
 using System.Resources;
 using System.Reflection;
 using System.Text;
 using Microsoft.Build.Framework;
 using Microsoft.Build.CPPTasks;
 using Microsoft.Build.Utilities;
 
 
@@ skipping 336 matching lines @@
         {
             get
             {
                 return "GCC";
             }
             set
             {}
         }
     }
 }