Reapply the fix *intended* by rev 1.79 in a safer manner.  Prior to
  all assignments and the final SSL_free(), free ssl_conn->client_cert
  to avoid leaks of this refcounted X509*.  Prereleasing refcounted
  objects is unsafe programming; fix applied to both branches.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk/modules/ssl@99252 13f79535-47bb-0310-9956-ffa450edef68