pull up r20482, r20481 from trunk

pull up r20482, r20481 from trunk

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 r20482 | raeburn | 2008-06-26 22:51:09 -0400 (Thu, 26 Jun 2008) | 5 lines

 ticket: 5997

 Memory leak, and possible freed-memory dereference, in an error (small
 allocation failure) path.
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 r20481 | raeburn | 2008-06-26 22:47:06 -0400 (Thu, 26 Jun 2008) | 9 lines

 ticket: new
 target_version: 1.6.4
 subject: misc memory leaks
 tags: pullup

 Fix various memory leaks that show up mostly in error cases (e.g.,
 failure to allocate one small object, and then we forget to free
 another one).

ticket: 5997
status: resolved
version_fixed: 1.6.4

git-svn-id: svn://anonsvn.mit.edu/krb5/branches/krb5-1-6@22426 dc483132-0cff-0310-8789-dd5450dbe970