Scrutinizer Auto-Fixes

@oyejorge requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/oyejorge/less.php/inspections/899cb6ac-fd66-4314-905b-7ce617430a71

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