* core: Fix error handling in ap_scan_script_header_err_brigade() if there

  is no EOS bucket in the brigade:
  Also don't loop if there is a timeout when discarding the script output.
  Thanks to Edgar Frank for the analysis.

  Note CHANGES entry omits mention of non-2.2 mod_proxy_fcgi

Backports: r1311174
Submitted by: sf
Reviewed by: rjung, trawick, wrowe



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1375683 13f79535-47bb-0310-9956-ffa450edef68