FIX Avoid to return an error due to mysql warning

htdocs/admin/tools/export.php

@@ -201,6 +201,7 @@ if ($what == 'mysql')
         while (!feof($handlein))
         {
             $read = fgets($handlein);
+            if (preg_match('/'.preg_quote('Warning: Using a password').'/i', $read)) continue;
             fwrite($handle,$read);
             if (preg_match('/'.preg_quote('-- Dump completed').'/i',$read)) $ok=1;
             elseif (preg_match('/'.preg_quote('SET SQL_NOTES=@OLD_SQL_NOTES').'/i',$read)) $ok=1;