D20832: Fix some clazy warning

[Laurent Montel]

mlaurent added a comment.


  Ok albert send me an email in private :)
  he will look at it in several days :)
  tha,ks :)
  
  (I didn't have internet access before to see his email :)

REPOSITORY
  R223 Okular

REVISION DETAIL
  https://phabricator.kde.org/D20832

To: mlaurent, aacid
Cc: okular-devel, joaonetto, tfella, ngraham, darcyshen, aacid
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