Scrutinizer Auto-Fixes

@WyriHaximus requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/WyriHaximus/ReactGuzzle/inspections/b8d02e64-8d46-4114-9ef6-b59ccf8a2a8f

Enabled analysis tools:
 - PHP Analyzer
 - PHP Mess Detector
 - PHP Code Sniffer
 - PHP CS Fixer
 - Security Advisory Checker
 - PHP PDepend
 - PHP HHVM
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer