Patch #1388440: Add set_completion_display_matches_hook and
get_completion_type to readline.
diff --git a/pyconfig.h.in b/pyconfig.h.in
index 012bf7e..16c85a5 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -432,6 +432,9 @@
 /* Define if you have readline 2.2 */
 #undef HAVE_RL_COMPLETION_APPEND_CHARACTER
 
+/* Define if you have readline 4.0 */
+#undef HAVE_RL_COMPLETION_DISPLAY_MATCHES_HOOK
+
 /* Define if you have readline 4.2 */
 #undef HAVE_RL_COMPLETION_MATCHES