Scrutinizer Auto-Fixes

@DeepDiver1975 requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/owncloud/files_antivirus/inspections/cae0daef-3cef-485d-914d-8b8cfcc78e63

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