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/c14b5516-3771-43c7-b9fc-dad690e0193d

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