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/StaticMap/inspections/a1a13332-7678-4507-bed1-77559caa1d72

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