Scrutinizer Auto-Fixes

@Spomky requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/Spomky-Labs/OAuth2ServerBearerAccessTokenBundle/inspections/2a85bf22-353f-4244-9dc1-2419210b707e

Enabled analysis tools:
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 - PHP Code Sniffer
 - Security Advisory Checker
 - PHP Copy/Paste Detector
 - PHP PDepend
 - PHP Change Tracking Analyzer