Fix mod_autoindex so it displays the ReadmeName file under all

	circumstances, as it already handled the HeaderName file that
	way.

PR:		1373
Reviewed by:	Dean Gaudet, Martin Kraemer


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@79589 13f79535-47bb-0310-9956-ffa450edef68