Fix dllimport on a class template

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@300808 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/utility b/include/utility
index fffa35d..be73207 100644
--- a/include/utility
+++ b/include/utility
@@ -899,7 +899,7 @@
 constexpr in_place_t in_place{};
 
 template <class _Tp>
-struct _LIBCPP_TYPE_VIS in_place_type_t {
+struct _LIBCPP_TEMPLATE_VIS in_place_type_t {
     explicit in_place_type_t() = default;
 };
 template <class _Tp>