From 9e6b269fea260a4f4cd15d1c0f77b21addee342a Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Thu, 16 Mar 2017 22:31:44 +0100
Subject: [PATCH] lavc/avcodec: Constify AVBitStreamFilter* in
 AVBitStreamFilterContext struct.

Fixes a gcc warning:
libavcodec/bitstream_filter.c:71:20: warning: assignment discards 'const' qualifier from pointer target type
---
 libavcodec/avcodec.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 1923c9648d..8774718abb 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -5764,7 +5764,7 @@ int av_get_audio_frame_duration2(AVCodecParameters *par, int frame_bytes);
 #if FF_API_OLD_BSF
 typedef struct AVBitStreamFilterContext {
     void *priv_data;
-    struct AVBitStreamFilter *filter;
+    const struct AVBitStreamFilter *filter;
     AVCodecParserContext *parser;
     struct AVBitStreamFilterContext *next;
     /**