mod_ssl: Fix SSL_CLIENT_VERIFY value when "SSLVerifyClient optional_no_ca" and
SSLSessionCache are used and SSL session is resumed. SSL_CLIENT_VERIFY value
has been set to SUCCESS on resumption even when originally it was set to
GENEROUS. PR 53193.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1633085 13f79535-47bb-0310-9956-ffa450edef68