Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/tomkyle/ResponsivePicture/inspections/ad25f3ff-22ad-4335-acb1-39c896cbc829

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Merge pull request #1 from tomkyle/scrutinizer-patch-1

Scrutinizer Auto-Fixes