call_sys_exitfunc():  Remove unused variable f.
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 3740607..f1ed396 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -1256,7 +1256,7 @@
 	PyObject *exitfunc = PySys_GetObject("exitfunc");
 
 	if (exitfunc) {
-		PyObject *res, *f;
+		PyObject *res;
 		Py_INCREF(exitfunc);
 		PySys_SetObject("exitfunc", (PyObject *)NULL);
 		res = PyEval_CallObject(exitfunc, (PyObject *)NULL);