with LimitRequestBody xxx and the deflate output filter configured, mod_deflate

eats the 413 error bucket, a 500 error is logged, and a blank screen appears
at the browser.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@554011 13f79535-47bb-0310-9956-ffa450edef68