From 81be19238c2176f7a2b343422daa555b21df2c6e Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Sun, 25 Jun 2017 13:31:19 -0400
Subject: [PATCH] Fix a report of conpile-time error.

---
 advent.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/advent.h b/advent.h
index d6a167b..d2b082c 100644
--- a/advent.h
+++ b/advent.h
@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdbool.h>
+#include <stdarg.h>
 
 #include "common.h"
 #include "newdb.h"
-- 
2.31.1