Bug#169790: found a workaround

[Carlos O'Donell <carlos@baldric.uwo.ca>]

> I went into /var/lib/dpkg/info/libc6.postinst and commented out the section
> which starts "if dpkg --compare-versions $2 lt 2.2.94-1; then".
> 
> After that "apt-get install libc6" succeded.

Note, you can do that with _any_ package who's postinst is failing.

I had to manually do this under hppa while I was testing the package on
testing / unstable chroot's. Until I spent a few minutes to find out
what was failing (as jb says' "I hate to give you a trivial task" :)

c.