Changed source root directory

html/wp-content/plugins/mailchimp-for-wp/includes/admin/migrations/3.0.0-general-options.php

@@ -0,0 +1,16 @@
+<?php
+
+defined('ABSPATH') or exit;
+
+// transfer option
+$options = (array) get_option('mc4wp_lite', []);
+
+// merge options, with Pro options taking precedence
+$pro_options = (array) get_option('mc4wp', []);
+$options     = array_merge($options, $pro_options);
+
+// update options
+update_option('mc4wp', $options);
+
+// delete old option
+delete_option('mc4wp_lite');