mach-o: fix warnings on 32 bit hosts. Display personality functions.

binutils/
	* od-macho.c (printf_uint64): New function.
	(dump_load_command, dump_obj_compact_unwind): Use it.
	(dump_exe_compact_unwind): Display personality functions.

include/mach-o/
	* unwind.h (mach_o_compact_unwind_64): Fix typo in personality.