D12578: fix some issues reported by clazy

[Stefan Brüns]

bruns requested changes to this revision.
bruns added a comment.
This revision now requires changes to proceed.


  One change pending, then you are good to go ...

REPOSITORY
  R293 Baloo

REVISION DETAIL
  https://phabricator.kde.org/D12578

To: mgallien, #baloo, #frameworks, bruns
Cc: kde-frameworks-devel, bruns, ashaposhnikov, michaelh, astippich, spoorun, ngraham
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