Fix lint error

Signed-off-by: NJinHai-CN <hai.jin@zilliz.com>

core/src/server/web_impl/utils/Util.h

-// Copyright (C) 2019-2020 Zilliz. All rights reserved.	
-//	
-// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance	
-// with the License. You may obtain a copy of the License at	
-//	
-// http://www.apache.org/licenses/LICENSE-2.0	
-//	
-// Unless required by applicable law or agreed to in writing, software distributed under the License	
-// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express	
-// or implied. See the License for the specific language governing permissions and limitations under the License.	
+// Copyright (C) 2019-2020 Zilliz. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software distributed under the License
+// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+// or implied. See the License for the specific language governing permissions and limitations under the License.
 
-#pragma once	
+#pragma once
 
-#include <string>	
-#include <vector>	
+#include <string>
+#include <vector>
 
-#include "db/Types.h"	
-#include "server/web_impl/Types.h"	
-#include "utils/Status.h"	
+#include "db/Types.h"
+#include "server/web_impl/Types.h"
+#include "utils/Status.h"
 
-namespace milvus {	
-namespace server {	
-namespace web {	
+namespace milvus {
+namespace server {
+namespace web {
 
-Status	
-ParseQueryInteger(const OQueryParams& query_params, const std::string& key, int64_t& value, bool nullable = true);	
+Status
+ParseQueryInteger(const OQueryParams& query_params, const std::string& key, int64_t& value, bool nullable = true);
 
-Status	
-ParseQueryStr(const OQueryParams& query_params, const std::string& key, std::string& value, bool nullable = true);	
+Status
+ParseQueryStr(const OQueryParams& query_params, const std::string& key, std::string& value, bool nullable = true);
 
-Status	
-ParseQueryBool(const OQueryParams& query_params, const std::string& key, bool& value, bool nullable = true);	
+Status
+ParseQueryBool(const OQueryParams& query_params, const std::string& key, bool& value, bool nullable = true);
 
-}  // namespace web	
-}  // namespace server	
+}  // namespace web
+}  // namespace server
 }  // namespace milvus