lavfi/scale: remove av_opt_free()

Generic code calls it already.

Signed-off-by: Paul B Mahol <onemda@gmail.com>

diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
index b1246fe..056f540 100644 (file)
--- a/libavfilter/vf_scale.c
+++ b/libavfilter/vf_scale.c
@@ -147,7 +147,6 @@ static av_cold void uninit(AVFilterContext *ctx)
     sws_freeContext(scale->isws[0]);
     sws_freeContext(scale->isws[1]);
     scale->sws = NULL;
-    av_opt_free(scale);
 }
 
 static int query_formats(AVFilterContext *ctx)