D20659: Copy container in Component::cleanUp before interating

[David Edmundson]

davidedmundson accepted this revision.
This revision is now accepted and ready to land.

REPOSITORY
  R268 KGlobalAccel

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D20659

To: fvogt, #frameworks, davidedmundson
Cc: lbeltrame, kde-frameworks-devel, michaelh, ngraham, bruns