Warning fixes:

Warning fixes:

        * Makefile.in (parse.o): Depend on toplev.h.
        * class.c (typecode_p): Remove prototype and definition.
        * cp-tree.h (currently_open_class, is_empty_class, member_p):
        Add prototype.
        * decl.c (push_overloaded_decl_top_level): Remove prototype and
        definition.
        * errfn.c (cp_error): Cast function pointer `error' to (errorfn *)
        in call to `cp_thing'.
        (cp_warning): Likewise for function pointer `warning'.
        * except.c (do_function_call): Remove prototype and definition.
        (call_eh_info): Wrap variable `t1' in macro NEW_EH_MODEL.
        * method.c (is_java_type): Add prototype and make it static.
        * parse.y: Include toplev.h.
        * pt.c (type_unification): Remove unused variable `arg'.
        (instantiate_decl): likewise for `save_ti'.
        * tree.c (propagate_binfo_offsets): Likewise for `base_binfos'.

From-SVN: r19866