add cgid conn_id thing

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1758216 13f79535-47bb-0310-9956-ffa450edef68

STATUS

@@ -202,6 +202,13 @@ PATCHES PROPOSED TO BACKPORT FROM TRUNK:
       CHANGES in http://svn.apache.org/r1757663
      +1: rpluem, jim
 
+   * mod_cgid: Wrong CGI process killed when a small CGI response is followed
+     by another CGI request, because of min bytes to write in core output filter
+     delaying the pool cleanup.  Likely fixes PR57771 too.
+     trunk patch: http://svn.apache.org/r1758083
+     2.4.x: trunk works modulo CHANGES
+     +1 covener
+
 PATCHES/ISSUES THAT ARE BEING WORKED
 
   *) http: Don't remove the Content-Length of zero from a HEAD response if