Added method on `get-ptype-metaclass' that specifies that a CLOS class is its own ptype metaclass (for handling of anynomous classes as per the CLIM spec).
Added method on `get-ptype-metaclass' that specifies that a CLOS class
is its own ptype metaclass (for handling of anynomous classes as per
the CLIM spec).

slyrus/mcclim,swflint/McCLIM,onixie/mcclim,swflint/McCLIM,onixie/mcclim,antifuchs/mcclim,slyrus/mcclim,onixie/mcclim,swflint/McCLIM,antifuchs/mcclim