J3.7.1:Cannot Upload Files Mime Issues

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Errors reported

Cannot upload files in Joomla! 3.7.1, fails mime checks

Versions affected

General Information

This pertains only to Joomla! version(s): 3.7.1

What is the cause

This is a bug introduced in Joomla! 3.7.1

How to fix

Test/Apply this patch, or wait for Joomla! 3.7.2