From b647f694970557abb5423b25b2d299fa15687a86 Mon Sep 17 00:00:00 2001
From: Nick Briggs <nicholas.h.briggs@gmail.com>
Date: Wed, 7 Jun 2017 12:03:28 -0700
Subject: [PATCH] Add missing include stdio.h, only required if DEBUG or TRACE
 is defined, but doesn't hurt.

---
 src/return.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/return.c b/src/return.c
index cdc904f..b07b1f6 100644
--- a/src/return.c
+++ b/src/return.c
@@ -32,6 +32,7 @@ static char *id = "$Id: return.c,v 1.4 2001/12/24 01:09:05 sybalsky Exp $ Copyri
 
 */
 /***********************************************************/
+#include <stdio.h>
 
 #include "lispemul.h"
 #include "address.h"