handle sigquit properly
Summary:
this prevents an excessive amount of coredumps being caused by pkcon
which sigquits the helper
Test Plan:
debconf-kde-helper --socket-path=/tmp/gpk-26_baceaeca.socket kill -QUIT `pidof debconf-kde-helper
- no crash
Reviewers: apol, dantti
Reviewed By: dantti
Differential Revision: https://phabricator.kde.org/D11546