Evite que la config de php-cs-fixer plante en PHP 7.1.

.php_cs.dist

@@ -7,14 +7,10 @@ $finder = PhpCsFixer\Finder::create()
     ->name('*.php')
     ->in('.');
 
-$loader = require_once __DIR__ . '/vendor/autoload.php';
-try {
-    return Irstea\CS\Config::create()
-        ->setIndent('    ')
-        ->setRiskyAllowed(true)
-        ->setLineEnding("\n")
-        ->setFinder($finder);
-} finally {
-    $loader->unregister();
-}
+require_once __DIR__ . '/vendor/autoload.php';
+return Irstea\CS\Config::create()
+    ->setIndent('    ')
+    ->setRiskyAllowed(true)
+    ->setLineEnding("\n")
+    ->setFinder($finder);