pull up r23610 from trunk

pull up r23610 from trunk

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 r23610 | ghudson | 2010-01-07 21:43:21 -0500 (Thu, 07 Jan 2010) | 10 lines

 ticket: 6626
 subject: Restore interoperability with 1.6 addprinc -randkey
 tags: pullup
 target_version: 1.8

 The arcfour string-to-key operation in krb5 1.7 (or later) disagrees
 with the dummy password used by the addprinc -randkey operation in
 krb5 1.6's kadmin client, because it's not valid UTF-8.  Recognize the
 1.6 dummy password and use a random password instead.

ticket: 6626
version_fixed: 1.8
status: resolved

git-svn-id: svn://anonsvn.mit.edu/krb5/branches/krb5-1-8@23619 dc483132-0cff-0310-8789-dd5450dbe970