[MERGE] Extend detection of long paths support in selftest

[Martin Pool]

2009/8/17 Martin (gzlist) <gzlist at googlemail.com>:
> I notice Vincent's new buildbot is repeatedly failing to complete
> selftest under cygwin:
> <http://babune.ladeuil.net:26862/builders/w2003x64>
> There are some errors like:
> OSError: [Errno 91] File name too long: <verylongpath>

Thanks for the patch.

For some reason BB didn't pick this up.  Could we persuade you to use
Launchpad reviews instead?  It'll put it higher on the reviewers'
radar.

-- 
Martin <http://launchpad.net/~mbp/>