[ticket/16426] Correct migration namespace

PHPBB3-16426

phpBB/phpbb/db/migration/data/v33x/default_search_return_chars.php

@@ -0,0 +1,36 @@
+<?php
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+namespace phpbb\db\migration\data\v33x;
+
+class default_search_return_chars extends \phpbb\db\migration\migration
+{
+	public function effectively_installed()
+	{
+		return $this->config->offsetExists('default_search_return_chars');
+	}
+
+	public static function depends_on()
+	{
+		return [
+			'\phpbb\db\migration\data\v330\v330',
+		];
+	}
+
+	public function update_data()
+	{
+		return [
+			['config.add', ['default_search_return_chars', 300]],
+		];
+	}
+}