pull up r21980 from trunk

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 r21980 | ghudson | 2009-02-12 12:51:45 -0500 (Thu, 12 Feb 2009) | 8 lines
 Changed paths:
    M /trunk/src/lib/krb5/krb/walk_rtree.c

 ticket: 6392
 subject: Fix allocation failure check in walk_rtree
 tags: pullup
 target_version: 1.7

 Check the correct variable for null after allocating the server string
 in rtree_capath_vals.

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https://github.com/krb5/krb5/commit/73d2e7dd4167e25fb624528cabfec8ed7e4dab38
Commit By: tlyu
Revision: 22036
Changed Files:
U   branches/krb5-1-7/src/lib/krb5/krb/walk_rtree.c