toolsoftrade: Update definition of READ_ONCE()

Reflect the change in commit 85747990ec80 ("count: Don't in-place
increment a READ_ONCE()").

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
1 file changed