tablet: Fix disconnecting the tablet while the pen is still in proximity
libinput will send release and proximity out events after the device is disconnected. This just takes into account that tablet might be nullptr. BUG: 442573
parent
7ffa7c48
libinput will send release and proximity out events after the device is disconnected. This just takes into account that tablet might be nullptr. BUG: 442573
mentioned in commit 0cce8bab