D23147: KRun: fix runtime warning when widget is null

[David Faure]

dfaure closed this revision.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D23147

To: dfaure, nicolasfella, vkrause
Cc: kde-frameworks-devel, LeGast00n, michaelh, ngraham, bruns