Windows fix?

Author: jonkeane

r/src/compute.cpp

@@ -163,9 +163,9 @@ std::shared_ptr<arrow::compute::FunctionOptions> make_compute_options(
     // cpp11 does not support bool here so use int
     auto orders = cpp11::as_cpp<std::vector<int>>(options["orders"]);
     std::vector<Key> keys;
+    keys.reserve(names.size());
     for (size_t i = 0; i < names.size(); i++) {
-      keys.push_back(
-          Key(names[i], (orders[i] > 0) ? Order::Descending : Order::Ascending));
+      keys.emplace_back(names[i], (orders[i] > 0) ? Order::Descending : Order::Ascending);
     }
     auto out = std::make_shared<Options>(Options(keys));
     return out;