#20 crash when reading some logs

[hell hellovich]

Faststats crashs when reading logs that have negative
USERID and empty WONID,
example - when server shutting down from console,
log file will be like:

L 10/10/2002 - 22:15:39: "mm.KIM<-1><><CT>"
disconnected
L 10/10/2002 - 22:15:39: World
triggered "Round_Draw" (CT "10") (T "10")
L 10/10/2002 - 22:15:39: World triggered "Round_End"
L 10/10/2002 - 22:15:39: Server shutdown
L 10/10/2002 - 22:15:39: Log file closed

Thats <-1> value its a problem for FastStats.
Full Log attached.