Documentation/memory-barriers.txt: typo fix

Fix an obvious typo in the documentation.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Sylvain Trias 2015-04-08 10:27:57 +02:00 • committed by Jonathan Corbet
commit 7a4580075d