iphlpapi: fix a compiler warning on non-Linux (try 2)

[Alexandre Julliard]

Austin English <austinenglish at gmail.com> writes:

> Is there any intention to add that in the near future? Or should I
> file a bug? That's currently the only compiler warning on FreeBSD
> (which is the first we've had in a while)...

I'm not planning to add it, that's why there is a warning, to encourage
someone else to do it (hint hint).

-- 
Alexandre Julliard
julliard at winehq.org