minor #4494 DX: Fix shell script syntax in order to fix Travis builds (drupol)
minor #4494 DX: Fix shell script syntax in order to fix Travis builds (drupol)

This PR was merged into the 2.12 branch.

Discussion
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DX: Fix shell script syntax in order to fix Travis builds

Commits
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d394112b Fix shell script syntax in order to fix Travis builds.

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