[REGEDIT] Do not try to dereference a pointer when it is NULL. CORE-11915

svn path=/trunk/; revision=73377

diff --git a/reactos/base/applications/regedit/framewnd.c b/reactos/base/applications/regedit/framewnd.c
index 9e2ff0c..254c126 100644 (file)
--- a/reactos/base/applications/regedit/framewnd.c
+++ b/reactos/base/applications/regedit/framewnd.c
@@ -1316,7 +1316,7 @@ LRESULT CALLBACK FrameWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lPa
             return DefWindowProcW(hWnd, message, wParam, lParam);
         break;
     case WM_ACTIVATE:
-        if (LOWORD(hWnd))
+        if (LOWORD(hWnd) && g_pChildWnd)
             SetFocus(g_pChildWnd->hWnd);
         break;
     case WM_SIZE: