Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/Spomky-Labs/oauth2-server-utils/inspections/4d6a60ca-cbaa-4da2-9618-faa7ce060f74

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Merge pull request #2 from Spomky/scrutinizer-patch-1

Scrutinizer Auto-Fixes