Scrutinizer Auto-Fixes

@aequasi requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/aequasi/cache-bundle/inspections/6b427e9d-882f-4766-9573-b10a822d5cf6

Enabled analysis tools:
 - PHP Analyzer
 - PHP Mess Detector
 - PHP Code Sniffer
 - PHP CS Fixer
 - Security Advisory Checker
 - PHP Code Coverage
 - PHP Copy/Paste Detector
 - PHP Lines Of Code
 - PHP PDepend