Latest update.

crypto/ex_data.c

@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2020 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
@@ -10,6 +10,8 @@
 #include "crypto/cryptlib.h"
 #include "internal/thread_once.h"
 
+DEFINE_STACK_OF(void)
+
 int do_ex_data_init(OPENSSL_CTX *ctx)
 {
     OSSL_EX_DATA_GLOBAL *global = openssl_ctx_get_ex_data_global(ctx);