Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/taavit/TwigExtraBundle/inspections/463d8165-f6c4-4129-a762-7728fa6c3d38

Enabled analysis tools:
 - PHP Analyzer
 - PHP Copy/Paste Detector
 - PHP PDepend
Merge pull request #12 from taavit/scrutinizer-patch-1

Scrutinizer Auto-Fixes