fixed nuiList selection in some corner case
fixed nuiList selection in some corner case

libnui/nui3,libnui/nui3,libnui/nui3,UIKit0/nui3,UIKit0/nui3,UIKit0/nui3,UIKit0/nui3,UIKit0/nui3,UIKit0/nui3,libnui/nui3,libnui/nui3,UIKit0/nui3,libnui/nui3