Jenkins style fix

tests/phpunit/CRM/Utils/FileTest.php

@@ -116,7 +116,7 @@ class CRM_Utils_FileTest extends CiviUnitTestCase {
   public function mimeTypeToExtension() {
     $cases = [];
     $cases[] = ['text/plain', ['txt', 'text', 'conf', 'def', 'list', 'log', 'in']];
-    $cases[] = ['image/jpeg', ['jpeg','jpg', 'jpe']];
+    $cases[] = ['image/jpeg', ['jpeg', 'jpg', 'jpe']];
     $cases[] = ['image/png', ['png']];
     return $cases;
   }