Datepicker: Correct Traditional Chinese translation

Fixes #15060
Closes jquerygh-1754

ui/i18n/datepicker-zh-TW.js

@@ -14,17 +14,17 @@
 
 datepicker.regional[ "zh-TW" ] = {
 	closeText: "關閉",
-	prevText: "<上月",
-	nextText: "下月>",
+	prevText: "<上個月",
+	nextText: "下個月>",
 	currentText: "今天",
 	monthNames: [ "一月","二月","三月","四月","五月","六月",
 	"七月","八月","九月","十月","十一月","十二月" ],
 	monthNamesShort: [ "一月","二月","三月","四月","五月","六月",
 	"七月","八月","九月","十月","十一月","十二月" ],
 	dayNames: [ "星期日","星期一","星期二","星期三","星期四","星期五","星期六" ],
-	dayNamesShort: [ "周日","周一","周二","周三","周四","周五","周六" ],
+	dayNamesShort: [ "週日","週一","週二","週三","週四","週五","週六" ],
 	dayNamesMin: [ "日","一","二","三","四","五","六" ],
-	weekHeader: "周",
+	weekHeader: "週",
 	dateFormat: "yy/mm/dd",
 	firstDay: 1,
 	isRTL: false,