avfilter/preserve_color: Add necessary headers

Fixes checkheaders. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

avfilter/preserve_color: Add necessary headers
Fixes checkheaders. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
90546c6c · Andreas Rheinhardt · c3222931 · 90546c6c
Commit 90546c6c authored Sep 27, 2021 by Andreas Rheinhardt
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preserve_color.h libavfilter/preserve_color.h +4 -0

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--- a/libavfilter/preserve_color.h
+++ b/libavfilter/preserve_color.h
@@ -19,6 +19,10 @@
 #ifndef AVFILTER_PRESERVE_COLOR_H
 #define AVFILTER_PRESERVE_COLOR_H

+#include <math.h>
+
+#include "libavutil/macros.h"
+
 enum {
    P_NONE,
    P_LUM,