Properly treat <files> container like other containers in mod_info.

Reviewed by:	Jim Jagielski
Submitted by:
Obtained from:
PR: 848


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@78598 13f79535-47bb-0310-9956-ffa450edef68