Merged revisions 63886 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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r63886 | russell | 2007-05-11 11:05:43 -0500 (Fri, 11 May 2007) | 6 lines

When MD5 authentication is not possible because there is no challenge present,
either because the Challenge action was never issued, or some other reason,
give a proper error message and return an error instead of claiming that the
user wasn't found.
(reported by jsmith on IRC)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@63902 65c4cc65-6c06-0410-ace0-fbb531ad65f3