comctl32/tests: Fix monthcal test on NT4

[Nikolay Sivov]

Greg Geldorp wrote:
> Hi Nikolay,
>
>   
>> Ge van Geldorp wrote:
>>     
>>> Changelog:
>>>   comctl32/tests: Fix monthcal test on NT4
>>>       
>> Hi, Ge.
>>
>> This one interfere with a mine, sent yesterday:
>>
>> http://www.winehq.org/pipermail/wine-patches/2009-September/078955.html
>>
>> Could you wait a bit? I hope this could fix some failures.
>>     
>
> Sure. I'll resend after your patch is in (if my fix is still needed).
>
> Ge.
>   
This patch wasn't committed for some reason, I'll try again with it. The 
main problem with this is that we are creating control of size that 
leads to display two calendars, and builtin doesn't support this yet. 
First of all we need to reduce control size to get a single calendar.