Move to new Status API
diff --git a/cpp/helloworld/greeter_client.cc b/cpp/helloworld/greeter_client.cc
index c0aec16..44e4447 100644
--- a/cpp/helloworld/greeter_client.cc
+++ b/cpp/helloworld/greeter_client.cc
@@ -64,7 +64,7 @@
     ClientContext context;
 
     Status status = stub_->SayHello(&context, request, &reply);
-    if (status.IsOk()) {
+    if (status.ok()) {
       return reply.message();
     } else {
       return "Rpc failed";