Save up a bunch of stat() calls on application start
Summary:
We are checking if every language known to us is present just to make
sure that we have more than one and show the dialog entry.
Always showing it is not a big deal and we'd save up this penalty at
start.
Reviewers: Frameworks, dfaure, asturmlechner
Reviewed By: dfaure, asturmlechner
Subscribers: ltoscano, aacid, dfaure, elvisangelaccio, broulik
Tags: Frameworks
Differential Revision: https://phabricator.kde.org/D7230