errno.h inclusion conditionally done in setup_once.h - followup

lib/config-win32ce.h

@@ -40,7 +40,7 @@
 /* #define HAVE_CRYPTO_H 1 */
 
 /* Define if you have the <errno.h> header file.  */
-#define HAVE_ERRNO_H 1
+/* #define HAVE_ERRNO_H 1 */
 
 /* Define if you have the <err.h> header file.  */
 /* #define HAVE_ERR_H 1 */