Scrutinizer Auto-Fixes

@taavit requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/taavit/TwigExtraBundle/inspections/3e149d94-a613-4717-9f96-0665d1fc4eba

Enabled analysis tools:
 - PHP Analyzer
 - PHP Copy/Paste Detector
 - PHP PDepend