fixup! http: attempt Negotiate auth in http.emptyAuth=auto mode

Author: mjcheetham

http.c

@@ -708,14 +708,14 @@ static void init_curl_http_auth(CURL *result)
 void http_reauth_prepare(int all_capabilities)
 {
 	/*
-	 * In auto empty-auth mode, if we have no credentials yet and
-	 * empty auth is enabled (meaning an exotic method like Negotiate
-	 * is available), skip credential_fill and let the empty auth
-	 * mechanism handle the retry.
+	 * If we deferred stripping Negotiate to give empty auth a
+	 * chance (auto mode), skip credential_fill on this retry so
+	 * that init_curl_http_auth() sends empty credentials and
+	 * libcurl can attempt Negotiate with the system ticket cache.
 	 */
-	if (curl_empty_auth == -1 &&
+	if (empty_auth_try_negotiate &&
 	    !http_auth.password && !http_auth.credential &&
-	    curl_empty_auth_enabled())
+	    (http_auth_methods & CURLAUTH_GSSNEGOTIATE))
 		return;
 
 	credential_fill(the_repository, &http_auth, all_capabilities);