don't send WM_ACTIVATE messages to the previous active window which caused the infinite loop in regedit

reactos/subsys/win32k/ntuser

diff -u -r1.24 -r1.25
--- focus.c	23 Jun 2004 15:38:07 -0000	1.24
+++ focus.c	24 Nov 2004 00:11:06 -0000	1.25
@@ -16,7 +16,7 @@

  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  *

- * $Id: focus.c,v 1.24 2004/06/23 15:38:07 weiden Exp $

+ * $Id: focus.c,v 1.25 2004/11/24 00:11:06 weiden Exp $

  */
 
 #include <w32k.h>

@@ -53,7 +53,7 @@

    if (hWndPrev)
    {
       IntPostOrSendMessage(hWndPrev, WM_NCACTIVATE, FALSE, 0);

-      IntPostOrSendMessage(hWndPrev, WM_ACTIVATE,

+      IntPostOrSendMessage(hWnd, WM_ACTIVATE,

          MAKEWPARAM(WA_INACTIVE, NtUserGetWindowLong(hWndPrev, GWL_STYLE, FALSE) & WS_MINIMIZE),
          (LPARAM)hWnd);
    }