pull up r24567 from trunk

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 r24567 | tlyu | 2010-12-14 12:34:48 -0500 (Tue, 14 Dec 2010) | 7 lines

 ticket: 6841
 subject: memory leak in changepw.c
 tags: pullup
 target_version: 1.9

 Apply patch from Marcus Watts to avoid a memory leak in changepw.c.

https://github.com/krb5/krb5/commit/47172a94344b60d77ae65bb91f438cac85945589
Commit By: tlyu
Revision: 24572
Changed Files:
U   branches/krb5-1-9/src/lib/krb5/os/changepw.c