D23916: Remove capture of this in lambda

[Kai Uwe Broulik]

broulik accepted this revision.

REPOSITORY
  R127 KWayland

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D23916

To: gladhorn, #kwin, zzag, broulik
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns