Fix crash when using QString as KConfigGroup name, use C Char array from start
Fixes https://bugs.kde.org/show_bug.cgi?id=456157 , seems something goes awry in KConfigGroup's constructor here: https://invent.kde.org/frameworks/kconfig/-/blob/master/src/core/kconfiggroup.cpp#L471
Closes https://invent.kde.org/pim/kalendar/-/issues/204
Signed-off-by: Claudio Cambra claudio.cambra@gmail.com
Edited by Claudio Cambra