outch. there are some possible NULL pointer references. Have you ever tried

AuthDigestProvider dbm? This results in a great kaboom. The patch makes
apache throw an error, if someone tries a provider, that doesn't support
the particular auth scheme.

Submitted by:	Andre Malo <nd@perlig.de>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@97802 13f79535-47bb-0310-9956-ffa450edef68