fs: unexport Local and expose via NewLocal

internal/fs/node_windows_test.go

@@ -390,7 +390,7 @@ func restoreAndGetNode(t *testing.T, tempDir string, testNode *data.Node, warnin
 	}, func(_ string) bool { return true }, false)
 	test.OK(t, errors.Wrapf(err, "Failed to restore metadata for: %s", testPath))
 
-	fs := &Local{}
+	fs := NewLocal()
 	meta, err := fs.OpenFile(testPath, O_NOFOLLOW, true)
 	test.OK(t, err)
 	nodeFromFileInfo, err := meta.ToNode(false, t.Logf)