Sanitize filenames (in a unified manner) before using in Content-Disposition header

export.php

@@ -271,9 +271,7 @@ if ($asfile) {
         }
     }
     $filename = PMA_expandUserString($filename_template);
-
-    // convert filename to iso-8859-1, it is safer
-    $filename = PMA_convert_string($charset, 'iso-8859-1', $filename);
+    $filename = PMA_sanitize_filename($filename);
 
     // Grab basic dump extension and mime type
     // Check if the user already added extension; get the substring where the extension would be if it was included