Patch to fix https://github.com/nlohmann/json/issues/590#issuecomment-305988306 for v2.1.1

nlohmann_json.patch

--- json.hpp    2023-01-09 15:13:04.871631532 +0800
+++ json2.hpp   2023-01-09 15:13:24.414084972 +0800
@@ -6054,7 +6054,7 @@
             {
                 case value_t::array:
                 {
-                    return *lhs.m_value.array < *rhs.m_value.array;
+                    return (*lhs.m_value.array) < (*rhs.m_value.array);
                 }
                 case value_t::object:
                 {