[Pas2js] Small typo in fpmake

[Michael Van Canneyt]

On Fri, 8 Jun 2018, Alfred wrote:

> https://svn.freepascal.org/svn/projects/pas2js/trunk/fpmake.pp
>
> Contains:
> uses {$ifdef unix}cthreads{$endif},sysutils,fpmkunit;
>
> Should be:
> uses {$ifdef unix}cthreads,{$endif}sysutils,fpmkunit;
>
> This typo prevents building on non-Unix.

Fixed in rev 115, thanks for pointing it out. 
I normally only build on Linux, so I didn't notice.

Michael.