Set CORS headers on /sso_logout

src/mod_sso/mod_sso.c

@@ -399,6 +399,9 @@ static int mod_sso_method_handler(request_rec *r) {
                "sso: logout? \"%s\" \"%s\"", sso_logout_path, uri);
   if (!strcmp(uri, sso_logout_path)) {
     modsso_del_cookie(r, sso_cookie_name, service_path);
+    apr_table_setn(r->headers_out, "Access-Control-Allow-Origin", s_cfg->login_server);
+    apr_table_setn(r->headers_out, "Access-Control-Allow-Credentials", "true");
+    apr_table_setn(r->headers_out, "Cache-Control", "no-cache");
     return http_sendstring(r, "OK");
   }