22fc051 krb5: Silence an error message if no cache entries have ccache stored but renewal is enabled

Authored and Committed by jhrozek 5 years ago
    krb5: Silence an error message if no cache entries have ccache stored but renewal is enabled
    
    If no user entries had the ccacheFile attribute, the code would treat
    ENOENT as an error and print a CRIT-level debug message.
    
    Reviewed-by: Alexey Tikhonov <atikhono@redhat.com>