Scrutinizer Auto-Fixes

@jwage requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/jwage/php-apns/inspections/7322d589-b1a8-4bb1-8665-840de7023e36

Enabled analysis tools:
 - PHP Analyzer
 - PHP Code Coverage
 - PHP Copy/Paste Detector
 - PHP PDepend