D11193: Sonnet : use current hunspell API

[René J . V . Bertin]

rjvbb set the repository for this revision to R246 Sonnet.

REPOSITORY
  R246 Sonnet

REVISION DETAIL
  https://phabricator.kde.org/D11193

To: rjvbb, #frameworks
Cc: kde-frameworks-devel, michaelh