Update copyright year

Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13999)

crypto/evp/ec_ctrl.c

diff --git a/crypto/evp/ec_ctrl.c b/crypto/evp/ec_ctrl.c
index c772a58..9d35e5f 100644
--- a/crypto/evp/ec_ctrl.c
+++ b/crypto/evp/ec_ctrl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy