Bug#173390: busybox autowidth and ioctl TIOCGWINSZ

[Glenn McGrath <bug1@optushome.com.au>]

I googled this URL, looks like busybox has had this problem has happened
before.

http://www.busybox.net/lists/busybox/2001-March/002578.html

We could set set some default values to handle this, or we could prompt
for values if we know we are on a serial console.


Glenn