Guard wchar dependent stuff properly, thx vapier

libc/stdio/_stdio.h

@@ -26,10 +26,6 @@ extern int __vsnprintf (char *__restrict __s, size_t __maxlen,
 		      __const char *__restrict __format, __gnuc_va_list __arg)
      __THROW __attribute__ ((__format__ (__printf__, 3, 0))) attribute_hidden;
 
-extern int __vfwprintf (__FILE *__restrict __s,
-		      __const wchar_t *__restrict __format,
-		      __gnuc_va_list __arg) attribute_hidden;
-
 extern int __vfscanf (FILE *__restrict __s, __const char *__restrict __format,
 		    __gnuc_va_list __arg)
      __attribute__ ((__format__ (__scanf__, 2, 0))) attribute_hidden;
@@ -38,15 +34,19 @@ extern int __vsscanf (__const char *__restrict __s,
 		    __const char *__restrict __format, __gnuc_va_list __arg)
      __THROW __attribute__ ((__format__ (__scanf__, 2, 0))) attribute_hidden;
 
+#ifdef __UCLIBC_HAS_WCHAR__
+#include <wchar.h>
+
+extern int __vfwprintf (__FILE *__restrict __s,
+		      __const wchar_t *__restrict __format,
+		      __gnuc_va_list __arg) attribute_hidden;
+
 extern int __vfwscanf (__FILE *__restrict __s,
 		     __const wchar_t *__restrict __format,
 		     __gnuc_va_list __arg) attribute_hidden;
 extern int __vswscanf (__const wchar_t *__restrict __s,
 		     __const wchar_t *__restrict __format,
 		     __gnuc_va_list __arg) __THROW attribute_hidden;
-
-#ifdef __UCLIBC_HAS_WCHAR__
-#include <wchar.h>
 #endif
 
 #ifdef __UCLIBC_HAS_THREADS__