Merge 1488296 from trunk:

* modules/ssl/ssl_util_ocsp.c (read_response): Ignore empty buckets in
  the brigade, which can be left over from line splitting.  Fixes case
  where the OCSP response was only partially read from the wire.

Reviewed by: jorton, jim, sf


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1499241 13f79535-47bb-0310-9956-ffa450edef68