minor #4916 Fix AppVeyor build (julienfalque)
minor #4916 Fix AppVeyor build (julienfalque)

This PR was merged into the 2.15 branch.

Discussion
----------

Fix AppVeyor build

Commits
-------

0c0a235cc Fix AppVeyor build

Slamdunk/PHP-CS-Fixer,gharlan/PHP-CS-Fixer,SpacePossum/PHP-CS-Fixer,kubawerlos/PHP-CS-Fixer,GrahamCampbell/PHP-CS-Fixer,GrahamCampbell/PHP-CS-Fixer,FriendsOfPHP/PHP-CS-Fixer,Slamdunk/PHP-CS-Fixer,keradus/PHP-CS-Fixer,gharlan/PHP-CS-Fixer,kubawerlos/PHP-CS-Fixer,keradus/PHP-CS-Fixer,SpacePossum/PHP-CS-Fixer,FriendsOfPHP/PHP-CS-Fixer