Scrutinizer Auto-Fixes

@WyriHaximus requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/WyriHaximus/HtmlCompress/inspections/300e4d3e-f7ec-45df-8a17-1dce53dda02c

Enabled analysis tools:
 - PHP Analyzer
 - PHP Mess Detector
 - PHP Code Sniffer
 - PHP CS Fixer
 - Security Advisory Checker
 - PHP PDepend
 - PHP HHVM
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer