Scrutinizer Auto-Fixes

@mdurrant requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/mdurrant/php-binary-reader/inspections/bfa65d61-8593-483f-9234-08f5fdfd631e

Enabled analysis tools:
 - PHP Analyzer
 - PHP CS Fixer
 - PHP PDepend
 - External Code Coverage
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer