* Magic vtables aren't freed when magic is freed, so don't count them.
(They are static structures. Anything that assumes otherwise is buggy.)
* Reinstate 5.6.x "support". (i.e. it compiles and passes tests.)
+ * Reinstate 5.005_xx "support". (i.e. it compiles and passes tests.)
0.75_51 2011-05-05 nicholas
* Only use a static array of vtables on gcc.