Fix an incorrect iteration over member variables (when there were no "vtable" and "ref" members in the class because it did not inherit from Lucy::Object::Obj).
Fix an incorrect iteration over member variables (when there were no "vtable"
and "ref" members in the class because it did not inherit from
Lucy::Object::Obj).


git-svn-id: 0e6074679e66e8f1cc73dfc755b08bab367f805b@1076078 13f79535-47bb-0310-9956-ffa450edef68

rectang/lucy-clownfish,nwellnhof/lucy-clownfish,nwellnhof/lucy-clownfish,nwellnhof/lucy-clownfish,nwellnhof/lucy-clownfish,apache/lucy-clownfish,apache/lucy-clownfish,rectang/lucy-clownfish,apache/lucy-clownfish,nwellnhof/lucy-clownfish,nwellnhof/lucy-clownfish,apache/lucy-clownfish,rectang/lucy-clownfish,apache/lucy-clownfish,rectang/lucy-clownfish,rectang/lucy-clownfish,apache/lucy-clownfish,rectang/lucy-clownfish,nwellnhof/lucy-clownfish,rectang/lucy-clownfish,apache/lucy-clownfish,rectang/lucy-clownfish,apache/lucy-clownfish,nwellnhof/lucy-clownfish,rectang/lucy-clownfish