closes bpo-36951: Correct some types in the type_members struct in typeobject.c. (GH-13403)

(cherry picked from commit 53d378c8)
Co-authored-by: Zackery Spytz <zspytz@gmail.com>

Objects/typeobject.c

@@ -210,11 +210,11 @@ assign_version_tag(PyTypeObject *type)
 static PyMemberDef type_members[] = {
     {"__basicsize__", T_PYSSIZET, offsetof(PyTypeObject,tp_basicsize),READONLY},
     {"__itemsize__", T_PYSSIZET, offsetof(PyTypeObject, tp_itemsize), READONLY},
-    {"__flags__", T_LONG, offsetof(PyTypeObject, tp_flags), READONLY},
-    {"__weakrefoffset__", T_LONG,
+    {"__flags__", T_ULONG, offsetof(PyTypeObject, tp_flags), READONLY},
+    {"__weakrefoffset__", T_PYSSIZET,
      offsetof(PyTypeObject, tp_weaklistoffset), READONLY},
     {"__base__", T_OBJECT, offsetof(PyTypeObject, tp_base), READONLY},
-    {"__dictoffset__", T_LONG,
+    {"__dictoffset__", T_PYSSIZET,
      offsetof(PyTypeObject, tp_dictoffset), READONLY},
     {"__mro__", T_OBJECT, offsetof(PyTypeObject, tp_mro), READONLY},
     {0}