From c7fae8812f4e44ae3c28aa5b62c2cd1e243d341a Mon Sep 17 00:00:00 2001
From: Nathan Herring <nherring@google.com>
Date: Thu, 19 Jul 2018 23:45:46 +0200
Subject: [PATCH] clang tidy

---
 test/cpp/util/grpc_tool.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/cpp/util/grpc_tool.cc b/test/cpp/util/grpc_tool.cc
index d21e8a30b8c..ccc60cca27a 100644
--- a/test/cpp/util/grpc_tool.cc
+++ b/test/cpp/util/grpc_tool.cc
@@ -207,7 +207,7 @@ void ReadResponse(CliCall* call, const grpc::string& method_name,
 }
 
 std::shared_ptr<grpc::Channel> CreateCliChannel(
-    grpc::string server_address, const CliCredentials& cred) {
+    const grpc::string& server_address, const CliCredentials& cred) {
   grpc::ChannelArguments args;
   if (!cred.GetSslTargetNameOverride().empty()) {
     args.SetSslTargetNameOverride(cred.GetSslTargetNameOverride());