windowscodecs: Workaround libtiff bug when it defines toff_t as 32-bit for 32-bit builds. Take 2.

[Alexandre Julliard]

Dmitry Timoshkov <dmitry at baikal.ru> writes:

>> TIFF_VERSION_CLASSIC reflects the TIFF format itself, it's defined
>> to 42, TIFF_VERSION_BIG introduced in 4.x defined to 43.
>> 
>> Unfortunately TIFFLIB_VERSION define reflects the date, not the real
>> version. So for instance libtiff 3.9.7 has it defined to 20120922,
>> 4.0.0 - 20111221, 4.0.1 - 20120218. I don't see a way to differentiate
>> between 3.x and 4.x at compile time.
>
> I see that this patch is now marked as 'pending'. Are my arguments not
> clear enough?

You shouldn't check the version, but the actual problem (i.e. the size
of the offending type). Also please avoid unnecessary changes.

-- 
Alexandre Julliard
julliard at winehq.org