fix to OWNER_DRAWN assert in listbox

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@8277 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/listbox.cpp

@@ -307,8 +307,12 @@ void wxListBox::DoSetItems(const wxArrayString& choices, void** clientData)
         if ( clientData )
         {
 #if wxUSE_OWNER_DRAWN
+            if ( m_windowStyle & wxLB_OWNERDRAW )
+            {
                 wxASSERT_MSG(clientData[i] == NULL,
                              wxT("Can't use client data with owner-drawn listboxes"));
+            }
+            ListBox_SetItemData(GetHwnd(), i, clientData[i]);
 #else // !wxUSE_OWNER_DRAWN
             ListBox_SetItemData(GetHwnd(), i, clientData[i]);
 #endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN