Bug#651472: python-apt FTBFS on alpha too.

[Michael Cree <mcree@orcon.net.nz>]

>Your package failed to build on the kfreebsd-* buildds:
>
>----------------------------------------------------------------------
>Traceback (most recent call last):
>  File
"/build/buildd-python-apt_0.8.3-ia64-fO2iHz/python-apt-0.8.3/tests/test_apt_cache.py",
line 193, in test_package_cmp
>    l.append(cache["libc6"])
>  File
"/build/buildd-python-apt_0.8.3-ia64-fO2iHz/python-apt-0.8.3/build/lib.linux-ia64-2.7/apt/cache.py",
line 186, in __getitem__
>    raise KeyError('The cache has no package named %r' % key)
>KeyError: "The cache has no package named 'libc6'"

Also FTBFS on Alpha at debian-ports with the same error message.

Cheers
Michael.