* nlmconv.c (main): Use bfd_get_flavour instead of struct member.

	* nlmconv.c (main): Use bfd_get_flavour instead of struct member.
	* ar.c (print_contents, extract_file), size.c
	(print_berkeley_format): Use bfd_get_filename and
	bfd_my_archive instead of dereferencing the structs directly.