From a07470ba372fd85da5cf466365af6a98e18ac046 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <ceffmpeg@gmail.com>
Date: Mon, 17 Dec 2018 20:33:24 +0100
Subject: [PATCH] lavu/internal: Replace an empty loop with "do {}".

Silences a clang warning when not compiling for x86:
libswscale/utils.c:345:13: warning: while loop has empty body

Suggested-by: Nicolas George
---
 libavutil/internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavutil/internal.h b/libavutil/internal.h
index 06bd561e82..4acbcf56cb 100644
--- a/libavutil/internal.h
+++ b/libavutil/internal.h
@@ -52,7 +52,7 @@
 #endif
 
 #ifndef emms_c
-#   define emms_c() while(0)
+#   define emms_c() do {} while(0)
 #endif
 
 #ifndef attribute_align_arg