D24938: Fix memory leak in KXzFilter::init

[Aleix Pol Gonzalez]

apol added a comment.


  +1 makes sense

REPOSITORY
  R243 KArchive

REVISION DETAIL
  https://phabricator.kde.org/D24938

To: aacid
Cc: apol, kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns