request, it cores due to using the unitialized global req_name_ptr
pointer. -Wall does not reveal this.
Repeat by having an old valid ticket and start kerberos. rsh to
a non-realm system.
Also intialize lifetime to DEFAULT_TKT_LIFE and kerno to KSUCCESS since
they can be refernced before being initialized.
Submitted by: John Capo <jc@irbs.com>