The test result that I had blindly stipulated didn't work out on the
build farm, so disable the feature in Windows MSVC for now.
#define HAVE_TOWLOWER 1
/* Define to 1 if your compiler understands `typeof' or something similar. */
-#define HAVE_TYPEOF 1
+/* #undef HAVE_TYPEOF */
/* Define to 1 if you have the external array `tzname'. */
/* #undef HAVE_TZNAME */
/* #undef signed */
/* Define to how the compiler spells `typeof'. */
-#define typeof decltype
+/* #undef typeof */