libs/web: fix placeholder attribute for DynList
libs/web: fix placeholder attribute for DynList


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