* aoutf1.h (aout_32_sunos4_write_object_contents): Handle a

	* aoutf1.h (aout_32_sunos4_write_object_contents): Handle a
	machine type of 68000.
	* aoutx.h (NAME(aout,machine_type)): Add new argument unknown.
	Set *unknown to true if machine type is really unknown, as opposed
	to M_UNKNOWN for the 68000.
	(NAME(aout,set_arch_mach)): Change NAME(aout,machine_type) call
	accordingly.
	* libaout.h (NAME(aout,machine_type)): Add new argument to
	prototype.