From 1b4f132284ea73ba9bf59c123143bcf1d1622284 Mon Sep 17 00:00:00 2001
From: Thomas Bernard <miniupnp@free.fr>
Date: Fri, 12 Dec 2014 19:09:48 +0100
Subject: [PATCH] miniupnpc-libevent: "fix" debug_printf() if DEBUG not
 defined.

---
 miniupnpc-libevent/miniupnpc-libevent.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/miniupnpc-libevent/miniupnpc-libevent.c b/miniupnpc-libevent/miniupnpc-libevent.c
index 2ab06ff..12ff33b 100644
--- a/miniupnpc-libevent/miniupnpc-libevent.c
+++ b/miniupnpc-libevent/miniupnpc-libevent.c
@@ -62,7 +62,7 @@
 #ifdef DEBUG
 #define debug_printf(...) fprintf(stderr, __VA_ARGS__)
 #else
-#define debug_printf(...)
+#define debug_printf(...) (void)
 #endif
 
 /* compare the begining of a string with a constant string */