Datepicker: Changed a comment that causes problems with YUI Compresso…

…r. Fixes #7129 - Datepicker: Can't minify with YUI Compressor.

ui/jquery.ui.datepicker.js

@@ -1093,7 +1093,7 @@ $.extend(Datepicker.prototype, {
 		}
 		var date = this._daylightSavingAdjust(new Date(year, month - 1, day));
 		if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day)
-			throw 'Invalid date'; // E.g. 31/02/*
+			throw 'Invalid date'; // E.g. 31/02/00
 		return date;
 	},