1164 minor: rename parent playlist doesn't show on..[6915]

[chrisjj]

... Send to.. playlist recently-used list. E.g. with "parent\child" on the Send to.. playlist list, rename "parent" to "parent2" - the list still shows "parent\child". But the entry does still function.

EDIT(TC): Tracked at http://www.ventismedia.com/mantis/view.php?id=6915