Scrutinizer Auto-Fixes

@kix requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/kix/Propel2/inspections/191b5569-e785-4573-80bc-cde3a824336d

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