Fix test04_read_longdouble: automatic downcasting
Fix test04_read_longdouble: automatic downcasting

jack-pappas/PyTables,FrancescAlted/PyTables,andreabedini/PyTables,gdementen/PyTables,andreabedini/PyTables,jennolsen84/PyTables,jennolsen84/PyTables,dotsdl/PyTables,avalentino/PyTables,rabernat/PyTables,rabernat/PyTables,andreabedini/PyTables,PyTables/PyTables,FrancescAlted/PyTables,joonro/PyTables,dotsdl/PyTables,gdementen/PyTables,jack-pappas/PyTables,jennolsen84/PyTables,joonro/PyTables,dotsdl/PyTables,mohamed-ali/PyTables,mohamed-ali/PyTables,tp199911/PyTables,joonro/PyTables,mohamed-ali/PyTables,PyTables/PyTables,tp199911/PyTables,rdhyee/PyTables,dotsdl/PyTables,FrancescAlted/PyTables,rdhyee/PyTables,gdementen/PyTables,rabernat/PyTables,avalentino/PyTables,avalentino/PyTables,rabernat/PyTables,joonro/PyTables,tp199911/PyTables,tp199911/PyTables,rdhyee/PyTables,rdhyee/PyTables,mohamed-ali/PyTables,jack-pappas/PyTables,PyTables/PyTables,andreabedini/PyTables,gdementen/PyTables,jennolsen84/PyTables,jack-pappas/PyTables,jack-pappas/PyTables