D18989: Remove minor duplicate code and fix related bug

[Camilla Boemann]

boemann accepted this revision.
This revision is now accepted and ready to land.

REPOSITORY
  R8 Calligra

BRANCH
  dev

REVISION DETAIL
  https://phabricator.kde.org/D18989

To: ognarb, #calligra:_3.0, boemann
Cc: Calligra-Devel-list, dcaliste, cochise, vandenoever
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