More explicit constness
@@ -478,7 +478,7 @@ void OpenSslTlsContextImpl::set_ssl_ctx_self_reference() {
void OpenSslTlsContextImpl::set_accepted_cipher_suites(const std::vector<vespalib::string>& ciphers) {
vespalib::string openssl_ciphers;
size_t bad_ciphers = 0;
- for (auto& iana_cipher : ciphers) {
+ for (const auto& iana_cipher : ciphers) {
auto our_cipher = iana_cipher_suite_to_openssl(iana_cipher);
if (our_cipher) {
if (!openssl_ciphers.empty()) {
