mod_ssl: Fix recognition of OCSP stapling responses that are encoded

         improperly or too large.

The one byte "ok" flag stored with the response was accounted for in
the wrong condition.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1641077 13f79535-47bb-0310-9956-ffa450edef68