Change reference to config file name from local "fname" to

"parms.config_file->name" to allow modules to modify the name that's
displayed on errors.

PR: 3573
Submitted by:	Fabien Coelho <coelho@cri.ensmp.fr>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@82538 13f79535-47bb-0310-9956-ffa450edef68