Moved misplaced functions to the section for C API functions.

Objects/setobject.c

@@ -1116,18 +1116,6 @@ frozenset_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return emptyfrozenset;
 }
 
-int
-PySet_ClearFreeList(void)
-{
-    return 0;
-}
-
-void
-PySet_Fini(void)
-{
-    Py_CLEAR(emptyfrozenset);
-}
-
 static PyObject *
 set_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
 {
@@ -2338,6 +2326,18 @@ PySet_Add(PyObject *anyset, PyObject *key)
     return set_add_key((PySetObject *)anyset, key);
 }
 
+int
+PySet_ClearFreeList(void)
+{
+    return 0;
+}
+
+void
+PySet_Fini(void)
+{
+    Py_CLEAR(emptyfrozenset);
+}
+
 int
 _PySet_NextEntry(PyObject *set, Py_ssize_t *pos, PyObject **key, Py_hash_t *hash)
 {