Stop XSync timers when destroying X11 windows
They can potentially fire after the window is closed.
(cherry picked from commit 50422329)
Co-authored-by: Vlad Zahorodnii vlad.zahorodnii@kde.org
They can potentially fire after the window is closed.
(cherry picked from commit 50422329)
Co-authored-by: Vlad Zahorodnii vlad.zahorodnii@kde.org