Fix OCSP-Stapling error if identity cannot be verified

If QSslConfiguration::setCaCertificates is set to empty list openssl
cannot verify the OCSP-Response.
Qt will provide it as QSslError::OcspResponseCannotBeTrusted that can be
ignored. But the openssl error is still in the error queue and prevents
a successful reply in QNetworkReply::finished.

So let's clear the queue after OCSP checking to avoid side affects.

Change-Id: I44a7f45a2eebd20ea86a235a0534f80986c40a26
Fixes: QTBUG-85638
Pick-to: 5.15
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

0 files changed, 0 insertions, 0 deletions