kernel: work_q: use flags_get() in work_delayable_busy_get_locked().

The k_work::flags field is not an atomic_t and would cause
-Wpointer-sign warning on some compilers. This function was the only
one in work.c to use atomic_get() so there is no benefit to atomicity.

Signed-off-by: Chris Reed <chris.reed@arm.com>
1 file changed