Make sure we use the correct error code if we are unable to retrieve
the SSL context from the context from the BIO.
if (BIO_get_ssl(nsc->ssl_io, &ssl) < 1) {
netsec_err(errstr, "Certificate verification failed, but "
"cannot retrieve SSL handle: %s",
- ERR_error_string(errcode, NULL));
+ ERR_error_string(ERR_get_error(), NULL));
} else {
netsec_err(errstr, "Server certificate verification failed: %s",
X509_verify_cert_error_string(