* bfd-in.h (bfd_family_coff): Define.

	* bfd-in.h (bfd_family_coff): Define.
	* bfd-in2.h: Regenerate.
	* coffgen.c (coff_count_linenumbers, coff_symbol_from,
	coff_find_nearest_line): Check COFFness using bfd_family_coff()
	instead of bfd_target_coff_flavour.
	* cofflink.c (_bfd_coff_final_link): Likewise.
	* cpu-ns32k.c (do_ns32k_reloc): Don't strcmp() target name to
	exclude XCOFF files.
	* reloc.c (bfd_perform_relocation, bfd_install_relocation):
	Likewise.
	* targets.c (enum bfd_flavour): Add bfd_target_xcoff_flavour.
	* xcoff-target.h (TARGET_SYM): Use bfd_target_xcoff_flavour.
	* xcofflink.c (XCOFF_XVECP): Delete.
	(bfd_xcoff_link_record_set, bfd_xcoff_import_symbol,
	bfd_xcoff_export_symbol, bfd_xcoff_link_count_reloc,
	bfd_xcoff_record_link_assignment,
	bfd_xcoff_size_dynamic_sections): Replace XCOFF_XVECP() with
	check for bfd_target_xcoff_flavour.