Fix crash and latest update.

include/openssl/provider.h

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2019 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
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#ifndef OSSL_PROVIDER_H
+# define OSSL_PROVIDER_H
+
+# include <openssl/core.h>
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+/* Load and unload a provider */
+OSSL_PROVIDER *OSSL_PROVIDER_load(OPENSSL_CTX *, const char *name);
+int OSSL_PROVIDER_unload(OSSL_PROVIDER *prov);
+
+const OSSL_ITEM *OSSL_PROVIDER_get_param_types(OSSL_PROVIDER *prov);
+int OSSL_PROVIDER_get_params(OSSL_PROVIDER *prov, const OSSL_PARAM params[]);
+
+/* Add a built in providers */
+int OSSL_PROVIDER_add_builtin(OPENSSL_CTX *, const char *name,
+                              OSSL_provider_init_fn *init_fn);
+
+# ifdef __cplusplus
+}
+# endif
+
+#endif