d3d8/d3d9: fix compiler warnings on non x86/x86_64

[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
http://testbot.winehq.org/JobDetails.pl?Key=7410

Your paranoid android.


=== W2K8SE (32 bit device) ===
device.c:1671: Test failed: Expected foreground window 00010126, got 0001011A.

=== W7PROX64 (32 bit device) ===
device.c:1671: Test failed: Expected foreground window 00030186, got 00010068.
device.c:1810: Test failed: Expected foreground window 00040186, got 00010068.