Ordering with more than one ordering function doesn't display change active row

[hrycko-struzhynskyi]

http://plnkr.co/edit/oIhw5Nsv806wYkXCOfpE?p=preview In example please click on "last name" header. As expected table is sorted but visual active sort column is "first name". And if i click on "first name" table is sorted by "first name" but in Desc order.

[hrycko-struzhynskyi]

Sorry wrong repository