xwayland/xwm: listen shell destroy signal
Otherwise we got invaild write in wl_list_remove.
Fixes: e209fe2d ("Fix memory leak in xwayland.c")
Signed-off-by: zhoulei zhoulei@kylinos.cn
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Otherwise we got invaild write in wl_list_remove.
Fixes: e209fe2d ("Fix memory leak in xwayland.c")
Signed-off-by: zhoulei zhoulei@kylinos.cn