From 374cf93548d171de72f3cf8939a061c9ee150aff Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Thu, 7 May 2015 00:54:06 +0200
Subject: [PATCH] avformat/asfdec: do not define print_guid() to nothing

This avoid potential warnings

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavformat/asfdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c
index 270d092fb00..359ee8be2ff 100644
--- a/libavformat/asfdec.c
+++ b/libavformat/asfdec.c
@@ -148,7 +148,7 @@ static void print_guid(ff_asf_guid *g)
 }
 #undef PRINT_IF_GUID
 #else
-#define print_guid(g)
+#define print_guid(g) while(0)
 #endif
 
 static int asf_probe(AVProbeData *pd)
-- 
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