Fix build with opaque EVP_MD_CTX and HMAC_CTX in LibreSSL 3.5.

Index: src/lua/lua_cryptobox.c
--- src/lua/lua_cryptobox.c.orig
+++ src/lua/lua_cryptobox.c
@@ -993,7 +993,7 @@ static void
 lua_cryptobox_hash_dtor (struct rspamd_lua_cryptobox_hash *h)
 {
 	if (h->type == LUA_CRYPTOBOX_HASH_SSL) {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
 		EVP_MD_CTX_cleanup (h->content.c);
 #else
 		EVP_MD_CTX_reset (h->content.c);
@@ -1001,7 +1001,7 @@ lua_cryptobox_hash_dtor (struct rspamd_lua_cryptobox_h
 		EVP_MD_CTX_destroy (h->content.c);
 	}
 	else if (h->type == LUA_CRYPTOBOX_HASH_HMAC) {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
 		HMAC_CTX_cleanup (h->content.hmac_c);
 		g_free (h->content.hmac_c);
 #else
@@ -1059,7 +1059,7 @@ rspamd_lua_ssl_hmac_create (struct rspamd_lua_cryptobo
 {
 	h->type = LUA_CRYPTOBOX_HASH_HMAC;
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
 	h->content.hmac_c = g_malloc0 (sizeof(*h->content.hmac_c));
 #else
 	h->content.hmac_c = HMAC_CTX_new ();
@@ -1461,7 +1461,7 @@ lua_cryptobox_hash_reset (lua_State *L)
 			EVP_DigestInit (h->content.c, EVP_MD_CTX_md (h->content.c));
 			break;
 		case LUA_CRYPTOBOX_HASH_HMAC:
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
 			/* Old openssl is awesome... */
 			HMAC_Init_ex (h->content.hmac_c, NULL, 0, h->content.hmac_c->md, NULL);
 #else
