NilObjectException while parsing SID_FRIENDSUPDATE

no other details were provided.

```
Packets.ParseSID_FRIENDSUPDATE%b%o<BNETSocket>s
Packets.Parse%b%o<BNETSocket>u1ss
Packets.ReceiveSID%%o<BNETSocket>
Packets.Receive%%o<BNETSocket>
BNETSocket.Event_DataAvailable%%o<BNETSocket>
Delegate.Invoke%%
Application._CallFunctionWithExceptionHandling%%o<Application>p
_Main
% main
```
