port the fix for PR35292 forward from the 2.3 trunk to the async-dev branch,...

port the fix for PR35292 forward from the 2.3 trunk to the async-dev branch, because one of the perl-framework test cases now checks for this fix

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/async-dev@306540 13f79535-47bb-0310-9956-ffa450edef68