patch applied (packages/base): Ignore the return code of c_fcntl_write again

[Simon Marlow]

On 16/04/2010 15:50, Ian Lynagh wrote:
> Thu Apr 15 07:04:52 PDT 2010  Matthias Kilian<kili at outback.escape.de>
>    * Ignore the return code of c_fcntl_write again
>
>    The return code has been ignored in the past on purpose, because
>    O_NONBLOCK will fail on BSDs for some special files. This fixes the
>    problem mentioned in
>    http://www.haskell.org/pipermail/glasgow-haskell-users/2010-April/018698.html

One way to avoid regressions like this is to put a comment next to the 
place that someone is likely to "fix" in the future.  Just saying :-)

Cheers,
	Simon