Issue #4910, patch 3/3:  rename nb_long to nb_reserved
diff --git a/Modules/datetimemodule.c b/Modules/datetimemodule.c
index 702b6b9..98ae2bd 100644
--- a/Modules/datetimemodule.c
+++ b/Modules/datetimemodule.c
@@ -2111,7 +2111,7 @@
 	0,					/*nb_xor*/
 	0,					/*nb_or*/
 	0,					/*nb_int*/
-	0,					/*nb_long*/
+	0,					/*nb_reserved*/
 	0,					/*nb_float*/
 	0,					/*nb_inplace_add*/
 	0,					/*nb_inplace_subtract*/