gh-114329: Fix PyList_GetItemRef() limited C API definition

Author: vstinner

Include/listobject.h

@@ -29,7 +29,9 @@ PyAPI_FUNC(PyObject *) PyList_New(Py_ssize_t size);
 PyAPI_FUNC(Py_ssize_t) PyList_Size(PyObject *);
 
 PyAPI_FUNC(PyObject *) PyList_GetItem(PyObject *, Py_ssize_t);
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x030d0000
 PyAPI_FUNC(PyObject *) PyList_GetItemRef(PyObject *, Py_ssize_t);
+#endif
 PyAPI_FUNC(int) PyList_SetItem(PyObject *, Py_ssize_t, PyObject *);
 PyAPI_FUNC(int) PyList_Insert(PyObject *, Py_ssize_t, PyObject *);
 PyAPI_FUNC(int) PyList_Append(PyObject *, PyObject *);

Modules/_testlimitedcapi/list.c

@@ -1,3 +1,8 @@
+// Need limited C API version 3.13 for PyList_GetItemRef()
+#if !defined(Py_GIL_DISABLED) && !defined(Py_LIMITED_API )
+# define Py_LIMITED_API 0x030d0000
+#endif
+
 #include "parts.h"
 #include "util.h"