From b6d57e704bffb755a1ce60d983c48e890832512e Mon Sep 17 00:00:00 2001
From: Yang Gao <yangg@google.com>
Date: Tue, 9 Jun 2015 22:11:12 -0700
Subject: [PATCH] add missed explicit

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

diff --git a/test/cpp/qps/client_async.cc b/test/cpp/qps/client_async.cc
index 921836e201e..1b7a8d26b2c 100644
--- a/test/cpp/qps/client_async.cc
+++ b/test/cpp/qps/client_async.cc
@@ -62,7 +62,7 @@ typedef std::list<grpc_time> deadline_list;
 
 class ClientRpcContext {
  public:
-  ClientRpcContext(int ch) : channel_id_(ch) {}
+  explicit ClientRpcContext(int ch) : channel_id_(ch) {}
   virtual ~ClientRpcContext() {}
   // next state, return false if done. Collect stats when appropriate
   virtual bool RunNextState(bool, Histogram* hist) = 0;