composer update

vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/IWriter.php

@@ -1,8 +1,9 @@
 <?php
+
 /**
- *  PHPExcel
+ *  PHPExcel_Writer_IWriter
  *
- *  Copyright (c) 2006 - 2014 PHPExcel
+ *  Copyright (c) 2006 - 2015 PHPExcel
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
@@ -20,19 +21,10 @@
  *
  *  @category   PHPExcel
  *  @package    PHPExcel_Writer
- *  @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
+ *  @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
  *  @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
  *  @version    ##VERSION##, ##DATE##
  */
-
-
-/**
- *  PHPExcel_Writer_IWriter
- *
- *  @category   PHPExcel
- *  @package    PHPExcel_Writer
- *  @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
- */
 interface PHPExcel_Writer_IWriter
 {
     /**
@@ -41,6 +33,5 @@ interface PHPExcel_Writer_IWriter
      *  @param   string       $pFilename  Name of the file to save
      *  @throws  PHPExcel_Writer_Exception
      */
-    public function save($pFilename = NULL);
-
+    public function save($pFilename = null);
 }