Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/warmans/appnexus-client/inspections/6144d964-f71c-40d9-b6e5-ab06e55a2d9e

Enabled analysis tools:
 - PHP Analyzer
 - PHP Mess Detector
 - PHP Code Sniffer
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 - External Code Coverage
 - PHP Similarity Analyzer
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Merge pull request #1 from warmans/scrutinizer-patch-1

Scrutinizer Auto-Fixes