pull up r23679 from trunk

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 r23679 | ghudson | 2010-01-31 13:04:48 -0800 (Sun, 31 Jan 2010) | 4 lines

 ticket: 6650

 Fix minor error-handling bug in r23676.

https://github.com/krb5/krb5/commit/a0837453f25a38e30fad3844604bd95c147c409a
Commit By: tlyu
Revision: 23823
Changed Files:
U   branches/krb5-1-7/src/kadmin/dbutil/kdb5_mkey.c