Scrutinizer Auto-Fixes

@satrun77 requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/satrun77/silverstripe-configurablepage/inspections/29b4713c-e103-4062-b974-3aca713332f0

Enabled analysis tools:
 - PHP Analyzer
 - PHP Mess Detector
 - PHP Code Sniffer
 - Security Advisory Checker
 - PHP PDepend
 - External Code Coverage
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer