message: Fix amalgamation build: returning (std::)move will otherwise be flagged as not required
  Probably there is a better / more general solution to this, since I expect it will pop-up also in other places
diff: @@ -32,7 +32,7 @@ public:
  result->extension_name = extension_name;
  result->name = name;
  result->path = path;
  - return move(result);
  + return unique_ptr<CreateInfo>(result.release());
  }
  static unique_ptr<CreateDatabaseInfo> Deserialize(Deserializer &deserializer) {
  