[build] Keep msvc build working

Author: ivovandongen

include/mbgl/util/indexed_tuple.hpp

@@ -30,12 +30,20 @@ class IndexedTuple<TypeList<Is...>, TypeList<Ts...>> : public std::tuple<Ts...>
 
     template <class I>
     auto& get() {
+#if _WIN32
+        return std::get<TypeIndex<I, Is...>::value, Ts...>(*this);
+#else
         return std::get<TypeIndex<I, Is...>::value>(*this);
+#endif
     }
 
     template <class I>
     const auto& get() const {
+#if _WIN32
+        return std::get<TypeIndex<I, Is...>::value, Ts...>(*this);
+#else
         return std::get<TypeIndex<I, Is...>::value>(*this);
+#endif
     }
 
     template <class... Us>