* fixed crash with md5-sess and cnonce not set in mod_auth (reported
by Stefan Esser)
* fixed missing check for base64 encoded string in mod_auth and Basic
auth (reported by Stefan Esser)
* fixed possible crash in Auth-Digest header parser on trailing WS in
mod_auth (reported by Stefan Esser)
git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@1875 152afb58-edef-0310-8abb-c4023f1b3aa9