From 3c14547eb75c5b18099060085d12f09518ee2732 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <ceffmpeg@gmail.com>
Date: Tue, 24 Oct 2017 22:32:59 +0200
Subject: [PATCH] lavfi/tests/filtfmts: Constify a variable.
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Fixes the following warning:
libavfilter/tests/filtfmts.c: In function ‘main’:
libavfilter/tests/filtfmts.c:103:18: warning: assignment discards ‘const’ qualifier from pointer target type
---
 libavfilter/tests/filtfmts.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/tests/filtfmts.c b/libavfilter/tests/filtfmts.c
index 199d74d7a9..72b860ae5b 100644
--- a/libavfilter/tests/filtfmts.c
+++ b/libavfilter/tests/filtfmts.c
@@ -73,7 +73,7 @@ static void print_formats(AVFilterContext *filter_ctx)
 
 int main(int argc, char **argv)
 {
-    AVFilter *filter;
+    const AVFilter *filter;
     AVFilterContext *filter_ctx;
     AVFilterGraph *graph_ctx;
     const char *filter_name;