[KDE/Mac] Upgrade to 4.13.3 in Macports

[Marko Käning]

I’ve update the TODO [1] with this one:

On 04 Oct 2014, at 22:22 , Marko Käning <mk-lists at email.de> wrote:
> It turns out that Palapeli starts up, but funnily enough does NOT show the preview
> images in the collection view as it usually does. When I select a specific puzzle
> I do see that the pieces show the correct parts of the relevant image, but the
> floating preview image next to the board view is also empty. 


[1] http://commits.kde.org/macports-kde/a36572a65b78012f1ef2d9bb23a1dc56cec5b905