pull up r23663 from trunk

pull up r23663 from trunk

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 r23663 | ghudson | 2010-01-19 18:35:39 -0500 (Tue, 19 Jan 2010) | 9 lines

 ticket: 6645
 subject: Add krb5_allow_weak_crypto API
 target_version: 1.8
 tags: pullup

 Add an API to allow apps to override the profile setting of
 allow_weak_crypto, so that aklog can work with krb5 1.8 out of the box
 until OpenAFS finishes migrating away from DES.

ticket: 6645
version_fixed: 1.8
status: resolved

git-svn-id: svn://anonsvn.mit.edu/krb5/branches/krb5-1-8@23665 dc483132-0cff-0310-8789-dd5450dbe970