mod_ssl: follow up to r1583191.

New SSLOCSPUseRequestNonce directive's manual and CHANGES.

Non functional code changes (modssl_ctx_t's field ocsp_use_request_nonce
grouped with other OCSP ones, nested if turned to a single AND condition).


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1584098 13f79535-47bb-0310-9956-ffa450edef68