Content-Type: text/plain
Content-Disposition: inline
Content-Transfer-Encoding: binary
MIME-Version: 1.0
X-Mailer: MIME-tools 5.420 (Entity 5.420)
RT-Send-CC:
X-RT-Original-Encoding: iso-8859-1
Content-Length: 67

Fixed in krb5 1.6 by ticket #4805, which uses krb5_cc_new_unique().