xkb: need update m_keysym when key release
Without this update, KeyEvent may be wrong in KeyboardInputRedirection::processKey().
For example when press two or more keys quickly, the rest release KeyEvents with the key value is the last press key not the real release key value.
Signed-off-by: Hongfei Shang shanghongfei@kylinos.cn Signed-off-by: Shoucheng Zhang zhangshoucheng@kylinos.cn
Edited by zhang shoucheng