Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/aequasi/cache-bundle/inspections/d1854009-97ca-4e9c-84c3-f250b258cddc

Enabled analysis tools:
 - PHP Analyzer
 - PHP Copy/Paste Detector
 - PHP PDepend
Merge pull request #18 from aequasi/scrutinizer-patch-1

Scrutinizer Auto-Fixes