pull up r21901 from trunk

pull up r21901 from trunk

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 r21901 | ghudson | 2009-02-05 16:27:54 -0500 (Thu, 05 Feb 2009) | 8 lines
 Changed paths:
    M /trunk/src/lib/krb5/krb/mk_req_ext.c

 ticket: 6372
 subject: Fix memory handling bug in mk_req_ext
 tags: pullup
 target_version: 1.7

 In make_etype_list, assign *authdata before we have a chance to fail,
 since we may have invalidated the previous value with realloc.

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ticket: 6372
version_fixed: 1.7
status: resolved

git-svn-id: svn://anonsvn.mit.edu/krb5/branches/krb5-1-7@22027 dc483132-0cff-0310-8789-dd5450dbe970