* string.h (strchr): Eliminate.

* syscalls.cc (rename): Work around inexplicable C++ warning.

winsup/cygwin/string.h

@@ -17,27 +17,6 @@ details. */
 extern "C" {
 #endif
 
-#undef strchr
-#define strchr cygwin_strchr
-static inline __stdcall char *
-strchr (const char *s, int c)
-{
-  register char * res;
-  __asm__ __volatile__ ("\
-	movb	%%al,%%ah\n\
-1:	movb	(%1),%%al\n\
-	cmpb	%%ah,%%al\n\
-	je	2f\n\
-	incl	%1\n\
-	testb	%%al,%%al\n\
-	jne	1b\n\
-	xorl	%1,%1\n\
-2:	movl	%1,%0\n\
-	":"=a" (res), "=r" (s)
-	:"0" (c), "1" (s));
-  return res;
-}
-
 #undef strechr
 #define strechr cygwin_strechr
 static inline __stdcall char *