ce07694 check_cc_validity: make sure _valid is always set

1 file Authored by sbose 10 years ago, Committed by jhrozek 10 years ago,
    check_cc_validity: make sure _valid is always set
    
    In the KRB5_FCC_NOFILE code path _valid is not set leading to 'may be
    used uninitialized' compiler warnings.