MSW compilation fixes for !wxUSE_VALIDATORS

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5279 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/listbox.cpp

@@ -138,7 +138,9 @@ bool wxListBox::Create(wxWindow *parent,
     m_selected = 0;
 
     SetName(name);
+#if wxUSE_VALIDATORS
     SetValidator(validator);
+#endif // wxUSE_VALIDATORS
 
     if (parent)
         parent->AddChild(this);