pull up r20527 from trunk

 r20527@cathode-dark-space:  tlyu | 2008-07-15 17:43:35 -0400
 ticket: new
 subject: krb5_get_cred_via_tkt() should null out_cred on errors
 tags: pullup
 target_version: 1.6.4
 component: krb5-libs
 
 Helper function krb5_kdcrep2creds(), called from
 krb5_get_cred_via_tkt(), should null its output pointer after freeing
 allocated memory, to avoid returning an invalid pointer.
 
 


Commit By: tlyu



Revision: 20550
Changed Files:
_U  branches/krb5-1-6/
U   branches/krb5-1-6/src/lib/krb5/krb/gc_via_tkt.c