Issue #7528: Backport PyLong_AsLongAndOverflow from py3k to trunk.
Thanks Case Van Horsen for the patch.
diff --git a/Include/longobject.h b/Include/longobject.h
index ea9e387..0cb8e2f 100644
--- a/Include/longobject.h
+++ b/Include/longobject.h
@@ -21,6 +21,7 @@
PyAPI_FUNC(PyObject *) PyLong_FromSize_t(size_t);
PyAPI_FUNC(PyObject *) PyLong_FromSsize_t(Py_ssize_t);
PyAPI_FUNC(long) PyLong_AsLong(PyObject *);
+PyAPI_FUNC(long) PyLong_AsLongAndOverflow(PyObject *, int *);
PyAPI_FUNC(unsigned long) PyLong_AsUnsignedLong(PyObject *);
PyAPI_FUNC(unsigned long) PyLong_AsUnsignedLongMask(PyObject *);
PyAPI_FUNC(Py_ssize_t) PyLong_AsSsize_t(PyObject *);