The comctl32 tests regressed with the switch to 32 bits per pixel

In CORE-8826, we set the 32 bpp for the default bit depth.
Since revision 65498, the following comctl32 tests regressed:
header (+7)
status(+4)
toolbar(+8)
Here is the Testman ouput: https://www.reactos.org/sites/all/modules/reactos/testman/compare.php?ids=33761,33764

Assigning to smiley per his request.