fix docs; they said we validated the UTF-8, but we can't possibly detect

fix docs; they said we validated the UTF-8, but we can't possibly detect

2001-05-14  Havoc Pennington  <hp@redhat.com>

	* gutf8.c (g_utf8_get_char): fix docs; they said we validated
	the UTF-8, but we can't possibly detect partial chars since
	there's no length arg here, so trying to use this function
	on invalid UTF-8 is a bad idea.