Undo victim of careless global substitute ("long long_hash" was
changed to "LONG_LONG_hash" in the list of forward decls).  Discovered
by Jason Harper.
diff --git a/Objects/longobject.c b/Objects/longobject.c
index 742b184..5a09255 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -907,7 +907,7 @@
 static void long_dealloc Py_PROTO((PyObject *));
 static PyObject *long_repr Py_PROTO((PyObject *));
 static int long_compare Py_PROTO((PyLongObject *, PyLongObject *));
-static LONG_LONG_hash Py_PROTO((PyLongObject *));
+static long long_hash Py_PROTO((PyLongObject *));
 
 static PyObject *long_add Py_PROTO((PyLongObject *, PyLongObject *));
 static PyObject *long_sub Py_PROTO((PyLongObject *, PyLongObject *));