comctl32: register all the controls in DllMain (fixes bug #7641)

[Felix Nawothnig]

Mikołaj Zalewski wrote:
>  comctl32 version 5.82 (at least the one that comes with a fully patched 
> Windows XP) and 6.0 register all the controls in DllMain. 
> InitCommonControlsEx is just a dummy function.

Could it be that 6.0 only registers those controls listed using window 
class dependencies in the manifest file? If what you say about 5.82 is 
true your patch is correct though ofcourse.

Felix