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/aimeos-symfony2/inspections/4e2bb5c9-9b0a-4640-a43b-48fe6dd252e8

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