Steam calls CertGetCertificateChain() on a certificate with a 20 MB CRL, which
can take over 400 ms to parse each time. Avoid parsing it more often than we
need to.
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>