fix houndci false alarm about undefined variable
fix houndci false alarm about undefined variable

larry-dean/on-http,keedya/on-http,lanchongyizu/on-http,RackHD/on-http,RackHD/on-http,larry-dean/on-http,larry-dean/on-http,lanchongyizu/on-http,keedya/on-http,keedya/on-http,lanchongyizu/on-http,RackHD/on-http,keedya/on-http,RackHD/on-http,lanchongyizu/on-http,larry-dean/on-http