Trailing-Dot Hostname in Redirect Silently Strips Client Certificate and Auth Credentials

When curl follows a redirect where the `Location` header contains a hostname with a trailing dot (e.g., `https://example.com./path`), `Curl_peer_equal()` in `peer.c:321-330` compares the original hostname (`example.com`) against the redirect target (`example.com.`) using `curl_strequal`, which does …

CURL *easy = curl_easy_init();
curl_easy_setopt(easy, CURLOPT_URL, "https://localhost:18443/page1");
curl_easy_setopt(easy, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(easy, CURLOPT_SSLCERT, "client.pem");
curl_easy_setopt(easy, CURLOPT_SSLKEY, "client.key");
curl_easy_setopt(easy, …