don't use nullptr to stay compatible with !c++11 & qt4

Authored by sitter on Jul 10 2019, 2:04 PM.

Description

don't use nullptr to stay compatible with !c++11 & qt4

Test Plan: Riddell shall test in production

Reviewers: dvratil, jriddell

Reviewed By: dvratil

Subscribers: anthonyfieroni

Differential Revision: https://phabricator.kde.org/D22378

Details