Patch: use close-on-exec

[Tom Tromey]

>>>>> "Nick" == Nick Clifton <nickc@redhat.com> writes:

>> 2008-10-28  Tom Tromey  <tromey@redhat.com>
>> * configure, config.in: Rebuild.
>> * configure.in: Check for fileno.
>> * bfdio.c (close_on_exec): New function.
>> (real_fopen): Use it.
>> (FD_CLOEXEC): New define.

Nick> Approved - please apply.

Thanks, I checked it in.
Let me know if there are any problems.

Tom