D22765: Docs: fix bad example code

[David Edmundson]

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

REPOSITORY
  R296 KDeclarative

BRANCH
  fix-apidocs

REVISION DETAIL
  https://phabricator.kde.org/D22765

To: adridg, davidedmundson
Cc: kde-frameworks-devel, LeGast00n, sbergeron, michaelh, ngraham, bruns
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