commctrl.h: Add WC_STATIC

[Mike McCormack]

Felix Nawothnig wrote:

>> +#define WC_STATICA    "Static"
>> +#if defined(__GNUC__)
>> +# define WC_STATICW (const WCHAR []){ 'S','t','a', 't','i','c',0 }
>> +#elif defined(_MSC_VER)
>> +# define WC_STATICW L"Static"
>> +#else
>> +static const WCHAR WC_STATICW[] = { 'S','t','a','t','i','c',0 };
>> +#endif
>> +#define WC_STATIC        WINELIB_NAME_AW(WC_STATIC)

> I'm curious, what is the reason for the special case handling for MSVC 
> and GCC when we have to do the portable way anyway?

I can see two reasons:

* The portable way adds a (non-standard) symbol.
* The static string declaration may not be discarded by some compilers, 
so it may needlessly increase the size of our binaries.

Mike