includes: Fix IsEqualPropertyKey definitions

[Alexandre Julliard]

Maarten Lankhorst <m.b.lankhorst at gmail.com> writes:

>> This doesn't match the PSDK. Where does this come from?
> In C, REFPROPERTYKEY becomes PROPERTYKEY*, in C++ it's PROPERTYKEY &,
> so IsEqualPropertyKey will need a different macro. The psdk doesn't
> define this properly for the C case, but since I need it in C code I
> need it defined, unless you want me to do IsEqualPropertyKey(*key1,
> *key2), but even that wouldn't work because of the IsEqualIID..

That doesn't match the PSDK I have, and yes it has a C definition that
is different from the C++ one, but is also different from yours.

-- 
Alexandre Julliard
julliard at winehq.org