Scrutinizer Auto-Fixes

@danmichaelo requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/scriptotek/php-sru-client/inspections/51f07a23-8fa8-4ad7-b747-9b068891f212

Enabled analysis tools:
 - PHP Analyzer
 - PHP PDepend
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer