Don't set r->status_line. Apache uses that in preference to any other status

line, thinking we've set a custom status. Of course, it says "200 OK" no
matter what error we happen to return(!).


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@91372 13f79535-47bb-0310-9956-ffa450edef68