[PATCH] d3d8, 9/tests: Use BOOL variable for ShowCursor return value (PVS-Studio)

[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=17344

Your paranoid android.


=== w1064 (32 bit device) ===
device.c:2612: Test failed: Expected message 0x7e for window 0, but didn't receive it.
device.c:2617: Test failed: The focus window is active.
device.c:2625: Test failed: Got unexpected hr 0x88760869.
device.c:2631: Test failed: Got unexpect screen size 1152x870.
device.c:2646: Test failed: Expected message 0x47 for window 0, but didn't receive it, i=2.
device.c:2655: Test failed: Got unexpect screen size 1152x870.
device.c:2668: Test failed: Expected message 0x7e for window 0, but didn't receive it.
device.c:2676: Test failed: Got unexpect width 1152.
device.c:2677: Test failed: Got unexpect height 864.