Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/sonrisa/sitemap-component/inspections/42a3ed1e-ba88-4126-bfba-13cb4b77f15a

Enabled analysis tools:
 - PHP Analyzer
 - PHP Copy/Paste Detector
 - PHP PDepend
Merge pull request #10 from sonrisa/scrutinizer-patch-1

Scrutinizer Auto-Fixes