SECURITY: CVE-2014-0231

  mod_cgid: Fix a denial of service against CGI scripts that do
  not consume stdin that could lead to lingering HTTPD child processes
  filling up the scoreboard and eventually hanging the server.

Submitted by: Rainer Jung, Eric Covener, Yann Ylavic
Backports: r1610509, r1535125
Reviewed by: covener, trawick, ylavic

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1611185 13f79535-47bb-0310-9956-ffa450edef68