OpenSSL 1.1.0 support

- no need to check for opaque "valid" cert
  flag, since we get here only if internal
  certificate verification of OpenSSL returned
  ok=1.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1729500 13f79535-47bb-0310-9956-ffa450edef68