[ticket/16345] Small improvements

PHPBB3-16346

phpBB/phpbb/content_visibility.php

@@ -61,6 +61,26 @@ class content_visibility
 	*/
 	protected $php_ext;
 
+	/**
+	* @var string
+	*/
+	protected $forums_table;
+
+	/**
+	* @var string
+	*/
+	protected $posts_table;
+
+	/**
+	* @var string
+	*/
+	protected $topics_table;
+
+	/**
+	* @var string
+	*/
+	protected $users_table;
+
 	/**
 	* Constructor
 	*