Sort file names in scandir() with eio

Matches behavior of other drivers.

Author: trowski

lib/EioDriver.php

@@ -479,7 +479,9 @@ private function onScandir($deferred, $result, $req)
         if ($result === -1) {
             $deferred->fail(new FilesystemException(\eio_get_last_error($req)));
         } else {
-            $deferred->resolve($result["names"]);
+            $result = $result["names"];
+            \sort($result);
+            $deferred->resolve($result);
         }
     }