Scrutinizer Auto-Fixes

@spiffyjr requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/spiffyjr/spiffy-assetic/inspections/a406bad5-0ae2-43d6-89e9-b8ac80583c33

Enabled analysis tools:
 - PHP Analyzer
 - PHP CS Fixer
 - PHP PDepend
 - External Code Coverage
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer