Issue #1717: rename tp_compare to tp_reserved.  I'll change the
type of tp_compare in a separate commit, for ease of reversion
should things go wrong.
diff --git a/Modules/_randommodule.c b/Modules/_randommodule.c
index 4cdd98d..2718b69 100644
--- a/Modules/_randommodule.c
+++ b/Modules/_randommodule.c
@@ -459,7 +459,7 @@
 	0,				/*tp_print*/
 	0,				/*tp_getattr*/
 	0,				/*tp_setattr*/
-	0,				/*tp_compare*/
+	0,				/*tp_reserved*/
 	0,				/*tp_repr*/
 	0,				/*tp_as_number*/
 	0,				/*tp_as_sequence*/