fix coredump in sitewho on amd64
fix coredump in sitewho on amd64

bioboy/pzs-ng,scriptzteam/pzs-ng,bioboy/pzs-ng,bioboy/pzs-ng,scriptzteam/pzs-ng,scriptzteam/pzs-ng,bioboy/pzs-ng,scriptzteam/pzs-ng,scriptzteam/pzs-ng,bioboy/pzs-ng