apt-cyg fails install - http error 404 not found?

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What steps will reproduce the problem?
1. apt-cyg update
2. apt-cyg install openssh
3.

What is the expected output? What do you see instead?
Installing openssh; at least downloading the package

What version of the product are you using? On what operating system?
apt-cyg version 0.57

Please provide any additional information below.
Tried different mirrors, default mirror and other cygwin mirrors. all fail with 
following :

$ apt-cyg install openssh
Working directory is /setup
Mirror is http://mirrors.kernel.org/sources.redhat.com/cygwin/x86_64
--2014-03-26 12:09:15--  
http://mirrors.kernel.org/sources.redhat.com/cygwin/x86_64/setup.bz2
Auflösen des Hostnamen »mirrors.kernel.org«... 149.20.4.71, 149.20.20.135, 
2001:4f8:8:10:0:1994:3:14, ...
Verbindungsaufbau zu mirrors.kernel.org|149.20.4.71|:80... verbunden.
HTTP-Anforderung gesendet, warte auf Antwort... 200 OK
Länge: 322810 (315K) [application/x-bzip2]
In »»setup.bz2«« speichern.

100%[===========================================================================
======================================>] 322.810     87,0K/s   in 3,8s

2014-03-26 12:09:19 (82,3 KB/s) - »»setup.bz2«« gespeichert [322810/322810]

Updated setup.ini

Installing openssh
Found package openssh
--2014-03-26 12:09:19--  
http://mirrors.kernel.org/sources.redhat.com/cygwin/x86_64/x86_64/release/openss
h/openssh-6.6p1-1.tar.xz
Auflösen des Hostnamen »mirrors.kernel.org«... 149.20.4.71, 149.20.20.135, 
2001:4f8:8:10:0:1994:3:14, ...
Verbindungsaufbau zu mirrors.kernel.org|149.20.4.71|:80... verbunden.
HTTP-Anforderung gesendet, warte auf Antwort... 404 Not Found
2014-03-26 12:09:19 FEHLER 404: Not Found.

md5sum: openssh-6.6p1-1.tar.xz: No such file or directory
/usr/bin/apt-cyg: Zeile 346: test: 14065beb2594c8f2bc78dd82afd27246: 
Einstelliger (unärer) Operator erwartet.
MD5 sum did not match, exiting

Original issue reported on code.google.com by stefan.b...@googlemail.com on 26 Mar 2014 at 11:10