* luci/libs:	uvl: fix possible "attempt to index field '?' (a nil value)" in uvl.uvlitem.config()
* luci/libs:	uvl: fix possible "attempt to index field '?' (a nil value)" in uvl.uvlitem.config()


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