* gdbtypes.h (builtin_type_true_char): Remove.

	* gdbtypes.h (builtin_type_true_char): Remove.
	(builtin_type_true_unsigned_char): Likewise.
	(struct builtin_type): Add builtin_true_char and
	builtin_true_unsigned_char members.
	* gdbtypes.c (builtin_type_true_char): Remove.
	(builtin_type_true_unsigned_char): Likewise.
	(_initialize_gdbtypes): Do not initialize them.
	(gdbtypes_post_init): Initialize builtin_true_char and
	builtin_true_unsigned_char members of builtin_type.

	* printcmd.c (print_scalar_formatted): Use builtin_type
	members instead of builtin_type_true_char and
	builtin_type_true_unsigned_char.
	* ada-valprint.c (ada_val_print_1): Likewise.