D19532: Don't crash when no contexts are present

[Dāvis Mosāns]

davispuh added reviewers: cullmann, dhaumann, vandenoever.

REPOSITORY
  R216 Syntax Highlighting

REVISION DETAIL
  https://phabricator.kde.org/D19532

To: davispuh, cullmann, dhaumann, vandenoever
Cc: kwrite-devel, kde-frameworks-devel, domson, michaelh, ngraham, bruns, demsking, cullmann, sars, dhaumann
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.kde.org/pipermail/kwrite-devel/attachments/20190304/3485d0a5/attachment.html>