Datepicker: Use entity number instead of entity name when escaping si…

…ngle quotes.

ui/jquery.ui.datepicker.js

@@ -1741,7 +1741,7 @@ $.extend(Datepicker.prototype, {
 							(otherMonth && !showOtherMonths ? "" : " " + daySettings[1] + // highlight custom dates
 							(printDate.getTime() === currentDate.getTime() ? " " + this._currentClass : "") + // highlight selected day
 							(printDate.getTime() === today.getTime() ? " ui-datepicker-today" : "")) + "'" + // highlight today (if different)
-							((!otherMonth || showOtherMonths) && daySettings[2] ? " title='" + daySettings[2].replace(/'/g, "'") + "'" : "") + // cell title
+							((!otherMonth || showOtherMonths) && daySettings[2] ? " title='" + daySettings[2].replace(/'/g, "'") + "'" : "") + // cell title
 							(unselectable ? "" : " data-handler='selectDay' data-event='click' data-month='" + printDate.getMonth() + "' data-year='" + printDate.getFullYear() + "'") + ">" + // actions
 							(otherMonth && !showOtherMonths ? " " : // display for other months
 							(unselectable ? "<span class='ui-state-default'>" + printDate.getDate() + "</span>" : "<a class='ui-state-default" +