[18/23] user32/tests: Fix system parameters tests compilation with __WINESRC__ defined.

[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://newtestbot.winehq.org/JobDetails.pl?Key=2966

Your paranoid android.


=== w864 (32 bit sysparams) ===
sysparams.c:2792: Test failed: GetSystemMetrics(SM_CXMAXTRACK): expected 1044 or 1036 actual 1040
sysparams.c:2794: Test failed: GetSystemMetrics(SM_CYMAXTRACK): expected 788 or 780 actual 784
sysparams.c:2490: Test failed: Waiting for the WM_DISPLAYCHANGE message timed out
sysparams.c:2503: Test failed: Set bpp 32, but WM_DISPLAYCHANGE reported bpp -1

=== w864 (64 bit sysparams) ===
sysparams.c:2792: Test failed: GetSystemMetrics(SM_CXMAXTRACK): expected 1044 or 1036 actual 1040
sysparams.c:2794: Test failed: GetSystemMetrics(SM_CYMAXTRACK): expected 788 or 780 actual 784
Timeout