(read_and): Invoke apply_nonancestor_delayed_set_stat on file names

(read_and): Invoke apply_nonancestor_delayed_set_stat on file names
after handling them.
(list_archive): Use consistent message for unexpected EOF.
Use error message functions to report errors consistently.
(read_header): Use xalloc_die to report memory exhaustion.
Use consistent message for unexpected EOF.
(decode_mode): Remove; moved to misc.c.
(skip_file): Use consistent message for unexpected EOF.
(skip_extended_headers): Likewise.