sp->pos = pos;
sp->back_ptr = back_ptr;
sp->ts = ts;
- av_tree_insert(&nut->syncpoints, sp, (void *) ff_nut_sp_pos_cmp, &node);
+ av_tree_insert(&nut->syncpoints, sp,
+ (int (*)(void *, const void *)) ff_nut_sp_pos_cmp, &node);
if (node) {
av_free(sp);
av_free(node);