D26630: Fix warning

[Aleix Pol Gonzalez]

This revision was automatically updated to reflect the committed changes.
Closed by commit R169:ec3b2d53d853: Fix warning (authored by apol).

REPOSITORY
  R169 Kirigami

CHANGES SINCE LAST UPDATE
  https://phabricator.kde.org/D26630?vs=73422&id=73427

REVISION DETAIL
  https://phabricator.kde.org/D26630

AFFECTED FILES
  src/columnview.cpp

To: apol, #kirigami, mart
Cc: plasma-devel, fbampaloukas, GB_2, domson, dkardarakos, ngraham, apol, ahiemstra, davidedmundson, mart, hein
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