3350566- Fix coding Standard.

Closes #3350566

src/Plugin/Filter/TypogrifyFilter.php

@@ -2,13 +2,13 @@
 
 namespace Drupal\typogrify\Plugin\Filter;
 
-use Drupal\typogrify\SmartyPants;
-use Drupal\typogrify\Typogrify;
-use Drupal\typogrify\UnicodeConversion;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Language\LanguageInterface;
 use Drupal\filter\FilterProcessResult;
 use Drupal\filter\Plugin\FilterBase;
+use Drupal\typogrify\SmartyPants;
+use Drupal\typogrify\Typogrify;
+use Drupal\typogrify\UnicodeConversion;
 
 /**
  * Provides a filter to restrict images to site.
@@ -94,7 +94,7 @@ class TypogrifyFilter extends FilterBase {
   protected static function settingsUnserialize(array &$settings) {
     foreach (static::$arraySettingsKeys as $key) {
       if (isset($settings[$key]) && is_string($settings[$key])) {
-        $settings[$key] = unserialize($settings[$key]);
+        $settings[$key] = unserialize($settings[$key], ['allowed_classes' => FALSE]);
       }
     }
   }