* Send Content-Type application/ocsp-request for POST requests to OSCP

  responders.

PR: 46014
Submitted by: Dr Stephen Henson <steve openssl.org>
Reviewed by: rpluem


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@704917 13f79535-47bb-0310-9956-ffa450edef68