* aoutx.h: Include <ctype.h>.

	* aoutx.h: Include <ctype.h>.
	(struct aout_link_includes_table): Define.
	(struct aout_link_includes_totals): Define.
	(struct aout_link_includes_entry): Define.
	(aout_link_includes_lookup): Define macro.
	(struct aout_final_link_info): Add includes field.
	(aout_link_includes_newfunc): New static function.
	(NAME(aout,final_link)): Initialize includes hash table.
	(aout_link_write_symbols): Eliminate duplicate N_BINCL entries.