for (p = brk; !done && p; p = p->parent)
for (ref = cur->message->env->references; p->message && ref;
ref = ref->next)
- if (!mutt_strcasecmp (ref->data, p->message->env->message_id)) {
+ if (!safe_strcasecmp (ref->data, p->message->env->message_id)) {
done = 1;
break;
}