new lftp bug (3.5.2)

[Justin Piszcz]

hard to hit but its happened to be twice, the client 'freezes' and it no 
longer responsive after 3-6 hrs of downloading

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
18955 abc       25   0  8032 5712 2472 R  100  0.6  11:03.56 lftp
Its stuck in a 100% cpu usage loop.

# ltrace -p 18955
--- SIGSTOP (Stopped (signal)) ---
--- SIGSTOP (Stopped (signal)) ---

There is no output from strace either.