* stabsread.c (add_undefined_type): Add extra parameter.

    * stabsread.c (add_undefined_type): Add extra parameter.
        Now handles nameless types separately.
        (struct nat): New type.
        (noname_undefs, noname_undefs_allocated, noname_undefs_length):
        New static variables.
        (read_type): Update calls to add_undefined_type.
        (add_undefined_type_noname): New function.
        (add_undefined_type_1): Renames from add_undefined_type.
        (cleanup_undefined_types_noname): New function.
        (cleanup_undefined_types_1): Renames cleanup_undefined_types.
        (cleanup_undefined_types): New handles nameless types separately.
        (_initialize_stabsread): Initialize our new static constants.