QEmu GDB stub uses IPv6 instead of v4 (or both)

This bug has been reported by several people already.

See http://migeel.sk/blog/2009/04/21/gdb-and-qemu-on-windows/
and http://qemu-forum.ipi.fi/viewtopic.php?f=5&t=5579&p=16248&hilit=gdb+ipv6#p16248


Seems like a very easy fix. 

Regards,
Matthijs ter Woord