bug#10155: bug#9772: bug#10155: OSX breakage

[Chong Yidong]

Eli Zaretskii <eliz@gnu.org> writes:

>> OK, then let's go with the ifdef conditioning directly in the Emacs
>> sources.
>>
>> But is conditioning on OS X and FreeBSD the right thing?  We don't know
>> if it fails on other BSDs.  Since revno 106533 was intended to fix the
>> MS-WINDOWS build, I think it's better to condition it for WINDOWSNT for
>> now, as below:
>>
>> Eli, WDYT?
>
> Fine with me.

Done.  Could someone check if compilation on Mac OS X works now?