- headers = curl_slist_append (headers, "Content-Type: text/plain");
- headers = curl_slist_append (headers, "Expect:");
- curl_easy_setopt (cb->curl, CURLOPT_HTTPHEADER, headers);
+ cb->headers = curl_slist_append (cb->headers, "Content-Type: text/plain");
+ cb->headers = curl_slist_append (cb->headers, "Expect:");
+ curl_easy_setopt (cb->curl, CURLOPT_HTTPHEADER, cb->headers);