Fix treeview with checkboxes creation

[Dmitry Timoshkov]

"Maxime Bellengé" <maxime.bellenge at laposte.net> wrote:

> Changelog:
> * Fix the creation of treeview with checkboxes. Now they display fine.

The only real change in this patch is the following snippet. Could you
retest and send only that chunk alone?

@@ -4848,12 +4850,14 @@
  DrawFrameControl(hdc, &rc, DFC_BUTTON,
                    DFCS_BUTTONCHECK|DFCS_FLAT|DFCS_CHECKED);

+ SelectObject(hdc, hbmOld);
  nIndex = ImageList_AddMasked(infoPtr->himlState, hbm,
                                GetSysColor(COLOR_WINDOW));
  TRACE("chckbox index %d\n", nIndex);
- SelectObject(hdc, hbmOld);

--
Dmitry.