1040b33 Do not try to set password when authtok_length is zero

1 file Authored by Ondrej Kos 9 years ago, Committed by jhrozek 9 years ago,
    Do not try to set password when authtok_length is zero
    
    https://fedorahosted.org/sssd/ticket/1814
    
    When the authtok_length is zero, it shouldn't call
    sss_authtok_set_password, because it tries to determine lenght of passed
    string by itself and would read parts of DBus message behind boundaries
    of authtok.