setopt: return CURLE_NOT_BUILT_IN for unsupported SSL options by Frank-Buss · Pull Request #20364 · curl/curl

The SSL options CURLOPT_ISSUERCERT, CURLOPT_SSL_EC_CURVES, and CURLOPT_CRLFILE were silently accepted by curl_easy_setopt() even when the SSL backend doesn't support them. This could mislead ap...