* modules/proxy/mod_proxy_http.c

  (ap_proxy_http_process_response): When there are only headers and no body,
   give the remainder of the output filters a chance by pushing an EOS bucket
   through the filter stack.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@159533 13f79535-47bb-0310-9956-ffa450edef68