ClassIDs are now actually typeinfo name pointers.

I'll see, next, about the `instanceOf` thing, and going with
more normal RTTI routes.

dw/regardingborder.hh

@@ -13,7 +13,7 @@ namespace dw {
 class RegardingBorder: public oof::OOFAwareWidget
 {
 public:
-   static int CLASS_ID;
+   static std::intptr_t CLASS_ID;
 
    RegardingBorder ();
    ~RegardingBorder ();