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/web_hooks/inspections/34a2172a-3338-47e9-aeb4-92803f8a9da6

Enabled analysis tools:
 - External Code Coverage
 - PHP Analyzer