wchar_t now gets wrapped inside "ifndef __cplusplus",

so we have to adjust the gnu_types fix test for that.

From-SVN: r42630

gcc/fixinc/tests/base/sys/types.h

@@ -20,9 +20,11 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
 typedef __SIZE_TYPE__ size_t;
 #endif
  /* uint_t */
+#ifndef __cplusplus
 #if !defined(_GCC_WCHAR_T) && ! defined(__cplusplus)
 #define _GCC_WCHAR_T
 typedef __WCHAR_TYPE__ wchar_t;
 #endif
- /* ushort_t */
+
+#endif /* ushort_t */
 #endif  /* GNU_TYPES_CHECK */