Issue #28405: Fix compile error for _futuresmodule.c on Cygwin.

Patch by Masayuki Yamamoto.

diff --git a/Modules/_futuresmodule.c b/Modules/_futuresmodule.c
index 88953ff8c6ac8eda800044ba6ad6a65d10f50353..3e91a3c8b86ae40761e3305bd25c50e919693ed6 100644 (file)
--- a/Modules/_futuresmodule.c
+++ b/Modules/_futuresmodule.c
@@ -943,7 +943,7 @@ new_future_iter(PyObject *fut)
     }
     Py_INCREF(fut);
     it->future = (FutureObj*)fut;
-    _PyObject_GC_TRACK(it);
+    PyObject_GC_Track(it);
     return (PyObject*)it;
 }