No, sorry. You can use this version as AP and I'll keep using whatever hostapd versions the LEDE upstream provides.
I'm just using gwlim's port and he's getting the same errors apparently, see Hardware NAT For LEDE .. It doesn't matter anyway, since we can't use hwnat yet because we don't know the commands. Also it isn't really needed anymore with fastpath. So I might remove this altogether.
If you're referring to this patch - I'm not using it.
@glim's patches are for 4.4 and the LEDE upstream hasn't switched to 4.9 yet either. Because apart from optimizations I try to stay as close to the upstream code as possible, I won't upgrade to 4.9 until they do.