Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/phsc/rcmcarddav/inspections/d37e7d22-a90f-422f-808a-bf4f784935a1

Enabled analysis tools:
 - PHP Analyzer
 - PHP PDepend
 - PHP Similarity Analyzer
Merge pull request #1 from phsc/scrutinizer-patch-1

Scrutinizer Auto-Fixes