D20207: Avoid CollectionAclPage::save() crash

[Allen Winter]

winterz created this revision.
winterz added reviewers: dvratil, mlaurent.
Herald added a project: KDE PIM.
Herald added a subscriber: kde-pim.
winterz requested review of this revision.

REVISION SUMMARY
  avoid a crash in CollectionAclPage::save()
  
  no longer get a crash when changing Mail Folder name in KMail

TEST PLAN
  create folders, rename folders, delete folders ... various times

REPOSITORY
  R95 PIM: Common Support

REVISION DETAIL
  https://phabricator.kde.org/D20207

AFFECTED FILES
  src/pimcommonakonadi/acl/collectionaclpage.cpp

To: winterz, dvratil, mlaurent
Cc: kde-pim, dvasin, rodsevich, winterz, vkrause, mlaurent, knauss, dvratil
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