user32/tests: Use wine_dbgstr_rect() in the win tests.

[Michael Stefaniuc]

On 06/13/2016 11:19 AM, Marvin wrote:
> 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=23566
> 
> Your paranoid android.
> 
> 
> === w2008s64 (32 bit win) ===
> win.c:8861: Test failed: GetActiveWindow() = 00000000
> win.c:8861: Test failed: GetFocus() = 00000000
> win.c:8863: Test failed: Expected foreground window 00080124, got 000200E4
> win.c:8866: Test failed: Received WM_ACTIVATEAPP(0), did not expect it.
> win.c:8873: Test failed: Expected foreground window 00080124, got 00000000
> win.c:8875: Test failed: GetActiveWindow() = 00000000
> win.c:8875: Test failed: GetFocus() = 00000000
> win.c:8883: Test failed: Received WM_ACTIVATEAPP(1), did not expect it.
Seems to be a fluke as a rerun produced no issues:
https://testbot.winehq.org/JobDetails.pl?Key=23576

bye
	michael