Add Message.reply_to_poll_option_id.

telegram-bot-api/Client.cpp

@@ -4006,6 +4006,9 @@ void Client::JsonMessage::store(td::JsonValueScope *scope) const {
   if (message_->reply_to_message != nullptr && message_->reply_to_message->checklist_task_id_ != 0) {
     object("reply_to_checklist_task_id", message_->reply_to_message->checklist_task_id_);
   }
+  if (message_->reply_to_message != nullptr && !message_->reply_to_message->poll_option_id_.empty()) {
+    object("reply_to_poll_option_id", message_->reply_to_message->poll_option_id_);
+  }
   if (message_->reply_to_story != nullptr) {
     object("reply_to_story",
            JsonStory(message_->reply_to_story->story_poster_chat_id_, message_->reply_to_story->story_id_, client_));