Fix a wrong struct field assignment (docstring as closure).
diff --git a/Objects/genobject.c b/Objects/genobject.c
index d2ef508..c3fa64b 100644
--- a/Objects/genobject.c
+++ b/Objects/genobject.c
@@ -306,7 +306,7 @@
 "Return the name of the generator's associated code object.");
 
 static PyGetSetDef gen_getsetlist[] = {
-	{"__name__", (getter)gen_get_name, NULL, NULL, gen__name__doc__},
+	{"__name__", (getter)gen_get_name, NULL, gen__name__doc__},
 	{NULL}
 };