More windows port work by Ruben Van Boxem

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@142732 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/limits b/include/limits
index 5f31c4f..14b49b1 100644
--- a/include/limits
+++ b/include/limits
@@ -109,6 +109,10 @@
 #include <__config>
 #include <type_traits>
 
+#if defined(_MSC_VER)
+#include "support/win32/limits_win32.h"
+#endif // _MSC_VER
+
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 enum float_round_style