Switch to llvm-libc wcscmp().

Change-Id: Iaf2b4802faf6ce6a7dc495e5b3d27ad8a651328b

libc/Android.bp

diff --git a/libc/Android.bp b/libc/Android.bp
index 8840a3b..e6f8a2b 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -382,7 +382,6 @@
         "upstream-freebsd/lib/libc/string/wcpcpy.c",
         "upstream-freebsd/lib/libc/string/wcpncpy.c",
         "upstream-freebsd/lib/libc/string/wcscasecmp.c",
-        "upstream-freebsd/lib/libc/string/wcscmp.c",
         "upstream-freebsd/lib/libc/string/wcscpy.c",
         "upstream-freebsd/lib/libc/string/wcscspn.c",
         "upstream-freebsd/lib/libc/string/wcsdup.c",

libc/upstream-freebsd/lib/libc/string/wcscmp.c

diff --git a/libc/upstream-freebsd/lib/libc/string/wcscmp.c b/libc/upstream-freebsd/lib/libc/string/wcscmp.c
deleted file mode 100644
index 7205238..0000000
--- a/libc/upstream-freebsd/lib/libc/string/wcscmp.c
+++ /dev/null
@@ -1,58 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright (c) 1990, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Chris Torek.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)strcmp.c	8.1 (Berkeley) 6/4/93";
-#if 0
-__RCSID("$NetBSD: wcscmp.c,v 1.3 2001/01/05 12:13:12 itojun Exp $");
-#endif
-#endif /* LIBC_SCCS and not lint */
-__FBSDID("$FreeBSD$");
-
-#include <wchar.h>
-
-/*
- * Compare strings.
- */
-int
-wcscmp(const wchar_t *s1, const wchar_t *s2)
-{
-
-	while (*s1 == *s2++)
-		if (*s1++ == '\0')
-			return (0);
-	/* XXX assumes wchar_t = int */
-	return (*(const unsigned int *)s1 - *(const unsigned int *)--s2);
-}