Add refcounts for PyErr_WarnEx
diff --git a/Doc/api/refcounts.dat b/Doc/api/refcounts.dat
index ab6d865..b8aaad5 100644
--- a/Doc/api/refcounts.dat
+++ b/Doc/api/refcounts.dat
@@ -303,6 +303,11 @@
 PyErr_Warn:PyObject*:category:0:
 PyErr_Warn:char*:message::
 
+PyErr_WarnEx:int:::
+PyErr_WarnEx:PyObject*:category:0:
+PyErr_WarnEx:const char*:message::
+PyErr_WarnEx:Py_ssize_t:stack_level::
+
 PyEval_AcquireLock:void:::
 
 PyEval_AcquireThread:void:::