zap duplicate prototype

src/include/wchar.h

@@ -1,4 +1,4 @@
-/*	$OpenBSD: wchar.h,v 1.4 2005/06/17 20:40:30 espie Exp $	*/
+/*	$OpenBSD: wchar.h,v 1.5 2005/06/20 10:46:34 espie Exp $	*/
 /*	$NetBSD: wchar.h,v 1.16 2003/03/07 07:11:35 tshiozak Exp $	*/
 
 /*-
@@ -134,7 +134,6 @@ size_t	wcsspn(const wchar_t *, const wchar_t *);
 wchar_t	*wcsstr(const wchar_t *, const wchar_t *);
 wchar_t *wcstok(wchar_t * __restrict, const wchar_t * __restrict,
 		     wchar_t ** __restrict);
-size_t	wcsxfrm(wchar_t *, const wchar_t *, size_t);
 wchar_t	*wcswcs(const wchar_t *, const wchar_t *);
 wchar_t	*wmemchr(const wchar_t *, wchar_t, size_t);
 int	wmemcmp(const wchar_t *, const wchar_t *, size_t);