bpo-36974: tp_print -> tp_vectorcall_offset and tp_reserved -> tp_as_async (GH-13464)

Automatically replace
tp_print -> tp_vectorcall_offset
tp_compare -> tp_as_async
tp_reserved -> tp_as_async
diff --git a/Objects/namespaceobject.c b/Objects/namespaceobject.c
index aba3ff7..ddad39a 100644
--- a/Objects/namespaceobject.c
+++ b/Objects/namespaceobject.c
@@ -207,10 +207,10 @@
     sizeof(_PyNamespaceObject),                 /* tp_basicsize */
     0,                                          /* tp_itemsize */
     (destructor)namespace_dealloc,              /* tp_dealloc */
-    0,                                          /* tp_print */
+    0,                                          /* tp_vectorcall_offset */
     0,                                          /* tp_getattr */
     0,                                          /* tp_setattr */
-    0,                                          /* tp_reserved */
+    0,                                          /* tp_as_async */
     (reprfunc)namespace_repr,                   /* tp_repr */
     0,                                          /* tp_as_number */
     0,                                          /* tp_as_sequence */