Scrutinizer Auto-Fixes

@aimeos requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/aimeos/ai-monolog/inspections/32d349d8-7590-4718-bd80-c4ffe94257f3

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