libxcwm: The root context's root window's context set to root context.
libxcwm: The root context's root window's context set to root context.

Awkward circular assignment, but it addresses issue where window
manager client may ask for the xcwm_context_t of the root window.

Signed-off-by: Jess VanDerwalker <washu@sonic.net>

Reviewed-by: Jeremy Huddleston Sequoia <db3cec0cba09acb9cf8fd8bd399a3b27498cf883@apple.com>

freedesktop-unofficial-mirror/xorg__lib__libxcwm,freedesktop-unofficial-mirror/xorg__lib__libxcwm