Update perf_db_client.cc

test/cpp/qps/perf_db_client.cc

@@ -111,4 +111,4 @@ int PerfDbClient::sendData(std::string access_token, std::string test_name, std:
   }
 }
 }  //testing
-}  //grpc
+}  //grpc
\ No newline at end of file