* gdbtypes.c (is_ancestor): Infer type equivalence from name

	* gdbtypes.c (is_ancestor): Infer type equivalence from name
	equivalence.
	(rank_one_type): Use strcmp instead of == to compare type names.
	Don't swap parm with arg when checking TYPE_CODE_REF types.
	* valops.c (find_overload_match): Fix indentation.  Compare
	parameter rankings to 0..9, 10..99, and 100+ instead of 0, 10,
	and 100.