pull up r22435 from trunk

pull up r22435 from trunk

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 r22435 | tlyu | 2009-07-10 15:46:20 -0400 (Fri, 10 Jul 2009) | 9 lines

 ticket: 6530
 target_version: 1.7.1
 tags: pullup
 subject: check for slogin failure in setup_root_shell

 Add a check for a slogin message that indicates an unknown public key
 fingerprint, as rlogin looks like it points to slogin by default on
 Debian Lenny.

ticket: 6530
version_fixed: 1.7.1
status: resolved

git-svn-id: svn://anonsvn.mit.edu/krb5/branches/krb5-1-7@22805 dc483132-0cff-0310-8789-dd5450dbe970