Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/phsc/rcmcarddav/inspections/df28e0b9-7d90-4e79-b32b-0ebf81ae8741

Enabled analysis tools:
 - PHP Analyzer
 - PHP PDepend
 - PHP Similarity Analyzer
Merge pull request #2 from phsc/scrutinizer-patch-2

Scrutinizer Auto-Fixes