From a49335326cf674b1d74fde8777e410aa588ddc1f Mon Sep 17 00:00:00 2001
From: Jan Tattermusch <jtattermusch@google.com>
Date: Tue, 23 Feb 2016 10:45:58 -0800
Subject: [PATCH] fix C# build

---
 src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs b/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs
index ad0c53a3251..cab299a1373 100644
--- a/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs
+++ b/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs
@@ -51,7 +51,7 @@ namespace Grpc.Testing
 
         public WorkerServiceImpl(Action stopRequestHandler)
         {
-            this.stopRequestHandler = Grpc.Core.Utils.Preconditions.CheckNotNull(stopRequestHandler);
+            this.stopRequestHandler = GrpcPreconditions.CheckNotNull(stopRequestHandler);
         }
         
         public async Task RunServer(IAsyncStreamReader<ServerArgs> requestStream, IServerStreamWriter<ServerStatus> responseStream, ServerCallContext context)