test JSONCONS_VISITOR macros

Author: danielaparker

include/jsoncons_ext/csv/csv_encoder.hpp

@@ -307,7 +307,7 @@ class basic_csv_encoder final : public basic_json_visitor<CharT>
                 break;
             case stack_item_kind::row_mapping:
                 stack_.emplace_back(stack_item_kind::object);
-                JSONCONS_VISITOR_RETURN
+                break;
             case stack_item_kind::object:
                 stack_.emplace_back(stack_item_kind::object);
                 break;