Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/thornag/php-vfs/inspections/9306ba13-0ebc-4be6-9405-9605e8a80389

Enabled analysis tools:
 - PHP Analyzer
 - PHP Copy/Paste Detector
 - PHP PDepend
Merge pull request #14 from thornag/scrutinizer-patch-1

Scrutinizer Auto-Fixes