Add TODO lines for windows

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)

integration-cli/docker_cli_daemon_test.go

@@ -354,6 +354,7 @@ func TestDaemonVolumesBindsRefs(t *testing.T) {
 }
 
 func TestDaemonKeyGeneration(t *testing.T) {
+	// TODO: skip or update for Windows daemon
 	os.Remove("/etc/docker/key.json")
 	d := NewDaemon(t)
 	if err := d.Start(); err != nil {