fix frameworks-kactions compile error

[David Faure]

On Wednesday 18 April 2012 21:39:05 Kevin Ottens wrote:
> > KDirWatch needs to still exist, given that there is a Qt equivalent).
> 
> Yes, I've been wondering about KDirWatch lately... We used to keep it
> because  of some QFileSystemWatcher limitations. Maybe it's not relevant
> anymore, IIRC David had the details.

Most apps are probably fine with QFSW.

However kded needs KDirWatch, to be able to watch non-existing-yet directories 
(and run kbuildsycoca when these dirs get created).

-- 
David Faure, faure at kde.org, http://www.davidfaure.fr
Sponsored by Nokia to work on KDE, incl. KDE Frameworks 5