Fix crash in gradfun:end_frame() when inpic == outpic, so it has to be
freed just once. Originally committed as revision 26058 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -228,7 +228,8 @@ static void end_frame(AVFilterLink *inlink)
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avfilter_draw_slice(outlink, 0, inlink->h, 1);
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avfilter_end_frame(outlink);
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avfilter_unref_buffer(inpic);
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avfilter_unref_buffer(outpic);
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if (outpic != inpic)
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avfilter_unref_buffer(outpic);
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}
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AVFilter avfilter_vf_gradfun = {
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