[Differential] [Updated] D622: Open File: Use KEncodingFileDialog only under KDE

[kfunk (Kevin Funk)]

kfunk added a reviewer: KDevelop.
kfunk added a project: KDevelop.

REPOSITORY
  rKDEVPLATFORM KDevPlatform

REVISION DETAIL
  https://phabricator.kde.org/D622

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: kfunk, KDevelop
Cc: kdevelop-devel, arrowdodger