D26848: Don't assume the manager and menu have the same lifetime

[David Redondo]

davidre marked 4 inline comments as done.

REPOSITORY
  R265 KConfigWidgets

REVISION DETAIL
  https://phabricator.kde.org/D26848

To: davidre, #frameworks
Cc: anthonyfieroni, broulik, kde-frameworks-devel, LeGast00n, GB_2, michaelh, 
ngraham, bruns