Sync with behavior change in OpenSSL 1.1.1b

A behavior change in revealed by some openssl_decrypt() based test,
where an encrypt API is used with a decrypt context. The EVP_Cipher*
functions will automatically choose the right operation depending on the
context passed.

(cherry picked from commit 19a44ff)

ext/openssl/openssl.c

@@ -6339,7 +6339,7 @@ static int php_openssl_cipher_update(const EVP_CIPHER *cipher_type,
 {
 	int i = 0;
 
-	if (mode->is_single_run_aead && !EVP_EncryptUpdate(cipher_ctx, NULL, &i, NULL, (int)data_len)) {
+	if (mode->is_single_run_aead && !EVP_CipherUpdate(cipher_ctx, NULL, &i, NULL, (int)data_len)) {
 		php_openssl_store_errors();
 		php_error_docref(NULL, E_WARNING, "Setting of data length failed");
 		return FAILURE;