Update Dockerfile

Signed-off-by: Teddysun <[email protected]>

docker/kms/Dockerfile

@@ -1,5 +1,5 @@
 # Dockerfile for KMS Server
-# Copyright (C) 2018 Teddysun <[email protected]>
+# Copyright (C) 2018 - 2019 Teddysun <[email protected]>
 # Reference URL:
 # https://github.com/Wind4/vlmcsd