[Differential] [Accepted] D1169: update error message deprecated flags

[apol (Aleix Pol Gonzalez)]

apol accepted this revision.
apol added a reviewer: apol.
This revision is now accepted and ready to land.

REPOSITORY
  rKDEVELOP KDevelop

REVISION DETAIL
  https://phabricator.kde.org/D1169

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To: obogdan, KDevelop, apol
Cc: kdevelop-devel, KDevelop, arrowdodger