Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/sonrisa/sitemap-component/inspections/f07d8005-c529-4b23-a80a-bf8c8f2441dc

Enabled analysis tools:
 - PHP Analyzer
 - PHP Copy/Paste Detector
 - PHP PDepend
Merge pull request #11 from sonrisa/scrutinizer-patch-2

Scrutinizer Auto-Fixes