[PATCH] include: Make ARRAY_SIZE() available in wine/test.h

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?
Full results can be found at
https://testbot.winehq.org/JobDetails.pl?Key=38654

Your paranoid android.


=== wvistau64 (32 bit device) ===
device.c:4450: Test failed: Got unexpected IAVertices count: 0.
device.c:4451: Test failed: Got unexpected IAPrimitives count: 0.
device.c:4452: Test failed: Got unexpected VSInvocations count: 0.
device.c:4455: Test failed: Got unexpected CInvocations count: 0.
device.c:4456: Test failed: Got unexpected CPrimitives count: 0.