[FFmpeg-cvslog] filtfmts-test: Mark filter as const

[Vittorio Giovara]

ffmpeg | branch: master | Vittorio Giovara <vittorio.giovara at gmail.com> | Tue Apr  4 17:56:34 2017 +0200| [839010aca9713b5cd6ebe7a1db7e805c3625b168] | committer: Vittorio Giovara

filtfmts-test: Mark filter as const

libavfilter/tests/filtfmts.c:57:18: warning:
      assigning to 'AVFilter *' (aka 'struct AVFilter *') from
      'const AVFilter *' (aka 'const struct AVFilter *') discards qualifiers
      [-Wincompatible-pointer-types-discards-qualifiers]

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=839010aca9713b5cd6ebe7a1db7e805c3625b168
---

 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 cc04654222..6bd8237e31 100644
--- a/libavfilter/tests/filtfmts.c
+++ b/libavfilter/tests/filtfmts.c
@@ -28,7 +28,7 @@
 
 int main(int argc, char **argv)
 {
-    AVFilter *filter;
+    const AVFilter *filter;
     AVFilterContext *filter_ctx;
     AVFilterGraph *graph_ctx;
     const char *filter_name;