Scrutinizer Auto-Fixes

@tymondesigns requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/tymondesigns/jwt-auth/inspections/11e9600d-7e4b-4a4b-bbf5-6ee6c6a3e8b7

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