[PATCH] Fix 32-bit getcwd() on filesystems with 64-bit inodes.

[Nix]

On 26 Feb 2018, Joseph Myers verbalised:

> This seems like a bug that would have been user-visible in releases, so 
> needs filing in Bugzilla.  (We have bug 15333 for the various installed 
> programs, but nothing for this issue in the libraries.)

I wasn't sure if a bug I'd only seen with the testsuite but not in real
life merited such a thing.

I'll raise one, probably tomorrow (it's late, I'm tired, and I don't
want to get it wrong :) ).

-- 
NULL && (void)