13790 krb5: variable may be used uninitialized
Reviewed by: C Fraire <cfraire@me.com>
Reviewed by: Jason King <jason.brian.king@gmail.com>
Approved by: Dan McDonald <danmcd@joyent.com>

PSARC 2006/027 Open Kerberos APIs
6381288 we should expose the krb5 api