minor #4912 CI: Fix AppVeyor integration (keradus)
minor #4912 CI: Fix AppVeyor integration (keradus)

This PR was merged into the 2.15 branch.

Discussion
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CI: Fix AppVeyor integration

Commits
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91bc78467 CI: Fix AppVeyor integration

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