* error.c (init_error): Use C90 prototype style.
        (dump_scope): Likewise.
        (dump_qualifiers): Likewise.
        (dump_template_argument): Likewise.
        (dump_template_argument_list): Likewise.
        (dump_template_parameter): Likewise.
        (dump_template_bindings): Likewise.
        (dump_type): Likewise.
        (dump_typename): Likewise.
        (class_key_or_enum): Likewise.
        (dump_aggr_type): Likewise.
        (dump_type_prefix): Likewise.
        (dump_type_suffix): Likewise.
        (dump_global_iord): Likewise.
        (dump_simple_decl): Likewise.
        (dump_decl): Likewise.
        (dump_template_decl): Likewise.
        (dump_function_decl): Likewise.
        (dump_parameters): Likewise.
        (dump_exception_spec): Likewise.
        (dump_function_name): Likewise.
        (dump_template_parms): Likewise.
        (dump_char): Likewise.
        (dump_expr_list): Likewise.
        (dump_expr): Likewise.
        (dump_binary_op): Likewise.
        (dump_unary_op): Likewise.
        (type_as_string): Likewise.
        (expr_as_string): Likewise.
        (decl_as_string): Likewise.
        (context_as_string): Likewise.
        (lang_decl_name): Likewise.
        (cp_file_of): Likewise.
        (cp_line_of): Likewise.
        (decl_to_string): Likewise.
        (expr_to_string): Likewise.
        (fndecl_to_string): Likewise.
        (code_to_string): Likewise.
        (language_to_string): Likewise.
        (parm_to_string): Likewise.
        (op_to_string): Likewise.
        (type_to_string): Likewise.
        (assop_to_string): Likewise.
        (args_to_string): Likewise.
        (cv_to_string): Likewise.
        (cxx_print_error_function): Likewise.
        (cp_diagnostic_starter): Likewise.
        (cp_diagnostic_finalizer): Likewise.
        (cp_print_error_function): Likewise.
        (function_category): Likewise.
        (print_instantiation_full_context): Likewise.
        (print_instantiation_partial_context): Likewise.
        (maybe_print_instantiation_context): Likewise.
        (print_instantiation_context): Likewise.
        (cp_printer): Likewise.
        (print_integer): Likewise.
        (print_non_consecutive_character): Likewise.
        (locate_error): Likewise.

From-SVN: r63928