Update.

Update.

	* iconv/gconv_simple.c: Define separate functions to convert from
	UCS4/UCS4-LE to the internal encoding.
	* iconv/gconv_builtin.h: Use separate functions to convert from
	UCS4/UCS4-LE to the internal encoding.
	* iconv/gconv_int.h: Declare __gconv_transform_ucs4_internal and
	__gconv_transform_ucs4le_internal.

	* iconv/gconv_simple.c (internal_utf8_loop): Correct check for
	output buffer overflow.  Reported by Ulrich.Brink@sap.com.