Lars says:

if a user tries to use authentication and forgets to set AuthType
he will the following error:

 configuration error:  couldn't check user.  No user file?

The appended patch provides a correct error message if the
authentication failure was due to a missing AuthType directive.

Submitted by:	Lars Eilebrecht
Reviewed by:	Dean Gaudet, Martin Kraemer, Roy Fielding


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@79609 13f79535-47bb-0310-9956-ffa450edef68