Did you forget to add the updated Localization.cs ?
Assets/NGUI/Scripts/Internal/Localization.cs(394,45): error CS0103: The name `mLocalization' does not exist in the current context
Assets/NGUI/Scripts/Internal/Localization.cs(396,46): error CS0165: Use of unassigned local variable `vals'
Assets/NGUI/Scripts/Internal/Localization.cs(399,38): error CS1502: The best overloaded method match for `System.Collections.Generic.Dictionary<string,string[]>.TryGetValue(string, out string[])' has some invalid arguments
Assets/NGUI/Scripts/Internal/Localization.cs(399,38): error CS1503: Argument `#2' cannot convert `string' expression to type `string[]'