Change locale

Fix locale passed to the dateFormat(fromTemplate:options:locale:)
method to be in line with the documentation

Author: JGiola

Foundation/NSDateFormatter.swift

@@ -80,7 +80,7 @@ open class DateFormatter : Formatter {
     }
 
     open func setLocalizedDateFormatFromTemplate(_ dateFormatTemplate: String) {
-        if let format = DateFormatter.dateFormat(fromTemplate: dateFormatTemplate, options: 0, locale: .current) {
+        if let format = DateFormatter.dateFormat(fromTemplate: dateFormatTemplate, options: 0, locale: locale) {
             dateFormat = format
         }
     }