Fixing krunner's threading

[Aaron J. Seigo]

On March 2, 2010, Thiago Macieira wrote:
> are problems in your code. I can see these warnings coming out of plasma:
> 
> Object::disconnect: Unexpected null parameter
> QGraphicsScene::removeItem: cannot remove 0-item
> 
> This from krunner:
> QObject::killTimer: timers cannot be stopped from another thread
> QObject::startTimer: timers cannot be started from another thread

anyone who can send us (plasma-devel@) backtraces for these will earn one hug 
and/or cookie, your choice. :)

-- 
Aaron J. Seigo
humru othro a kohnu se
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KDE core developer sponsored by Qt Development Frameworks