fixed typo in constructor

src/model/Menu.php

@@ -7,13 +7,13 @@ use Blog\DB\Menu as DB_Menu;
 
 class Menu {
 
-	protected $links;
+	protected $links = [];
 
 	public function __construct($type) {
 
 		$this->_loadMenu($type);
 	}
-	
+
 	protected function _loadMenu($type) {
 		$db = new DB_Menu();
 		$res = $db->getMenu($type);