Merge r1648394 from trunk:

Configuration files with long lines and continuation characters
are not read properly. PR 55910. 

Submitted By: Manuel Mausz <manuel-as mausz.at>
Committed By: covener




git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1651653 13f79535-47bb-0310-9956-ffa450edef68