When checking for KRB5_GET_INIT_CREDS_OPT_CHG_PWD_PRMPT, don't
dereference options if it's NULL.


https://github.com/krb5/krb5/commit/8b640863c756137b3bc8d3146cbd74040b3b1088
Commit By: ghudson
Revision: 23815
Changed Files:
U   trunk/src/lib/krb5/krb/gic_pwd.c