Fix crash on exit
Summary:
How to reproduce:
- Open step
- Add stick
- Delete stick
- Close step
Reviewers: yurchor
Reviewed By: yurchor
Subscribers: yurchor, kde-edu
Tags: KDE Edu
Differential Revision: https://phabricator.kde.org/D23310
aacid | Aug 21 2019, 5:18 PM |