Minor bugfix, added the new lines at the end of the file again.

Author: dverkade

lib/internal/Magento/Framework/Archive/Helper/File.php

@@ -297,4 +297,4 @@ protected function _checkFileOpened()
             throw new LocalizedException(new \Magento\Framework\Phrase('File not opened'));
         }
     }
-}
+}

lib/internal/Magento/Framework/Archive/Helper/File/Gz.php

@@ -66,4 +66,4 @@ protected function _close()
     {
         gzclose($this->_fileHandler);
     }
-}
+}