D17392: Fix checkDesktopFile function

[Nathaniel Graham]

ngraham added a reviewer: Frameworks.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D17392

To: i.Dark_Templar, davidedmundson, #frameworks
Cc: kde-frameworks-devel, michaelh, ngraham, bruns