bus_dispatch_sha1_test on Windows

[Havoc Pennington]

Peter Kümmel wrote:
> But I've no idea why there is a AUTH EXTERNAL instead of a SHA1 mechanism.
> 

I think this is normal, it gets unsupported for EXTERNAL so it should 
then try SHA1 instead.

Have you implemented the SHA1 mechanism on Windows? Should it even work?

Maybe you will have to step through in a debugger or add more verbose 
output to understand why the disconnection occurs.

Havoc