libs/web: fix "port" datatype to allow port 0
libs/web: fix "port" datatype to allow port 0


deepak78/luci,deepak78/luci,deepak78/luci,8devices/luci,deepak78/luci,deepak78/luci,8devices/luci,8devices/luci,8devices/luci,deepak78/luci,deepak78/luci,8devices/luci,deepak78/luci,8devices/luci