Removing most of level 4 warnings, particulary in 16 bits mode

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3534 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/radiobox.cpp

@@ -253,7 +253,7 @@ bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
                         (WPARAM)font.GetResourceHandle(), 0L);
         }
 
-        m_subControls.Append((wxObject *)(WXWORD)newId);
+        m_subControls.Append((wxObject *)(WXDWORD)(WXWORD)newId);
     }
 
     // Create a dummy radio control to end the group.