LUA telnet doesn't like connection closing during login

It seems that LUA telnet doesn't properly handle situations where login is closed too early. So if password is asked and telnet client is then closed, the CPU usage of VLC process goes to max.

Tested with VLC 1.1.5 and 1.2.0-git-20101119-1922 under Win32.

For dublication

vlc.exe -I telnet

then connect using telnet/putty (127.0.0.1 and port 4212) and type wrong password. Then close telnet/putty and then check vlc.exe CPU usage.