minor #2238 .gitattributes - specified line endings (keradus)
minor #2238 .gitattributes - specified line endings (keradus)

This PR was squashed before being merged into the 1.12 branch (closes #2238).

Discussion
----------

.gitattributes - specified line endings

Needed for #2221 to override default git settings

Replaces #2145 (cc @adawolfa) and #2188 (@SpacePossum)

Commits
-------

c00bc67 .gitattributes - specified line endings

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