* debug.h (struct debug_write_fns): Add tag parameter to

	* debug.h (struct debug_write_fns): Add tag parameter to
	enum_type, start_struct_type, and start_class_type.
	* debug.c (debug_write_type): Pass any tag name to
	start_struct_type, debug_write_class_type, and enum_type.  If
	DEBUG_KIND_TAGGED, pass the name in the recursive call.
	(debug_write_class_type): Accept a new tag parameter, and pass it
	to start_class_type.
	* prdbg.c (pop_type): Don't remove '+' character.
	(pr_enum_type): Accept and use tag parameter.
	(pr_start_struct_type): Likewise.
	(pr_start_class_type): Likewise.
	(pr_class_baseclass): Adjust algorithm used to find where to put
	the baseclass name.
	(pr_tag): Don't bother to insert the tag name.