* default.exp (check_k5login, check_klogin): Error out if there is

	* default.exp (check_k5login, check_klogin): Error out if there is
	a nonexistent .k5login or .klogin for root.
	(setup_{kadmind_,}srvtab, add_{random,kerberos}_key): Notice
	unmatched output to avoid timing out on certain errors.  Look for
	command echoes.  Clear the expect_after list in places to avoid
	problems with lingering expect_after clauses against invalid
	spawn_ids.  expect eof in places to avoid pty deadlock.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@13924 dc483132-0cff-0310-8789-dd5450dbe970