avcodec/mathops: add missing header for ff_reverse

Signed-off-by: James Almer <jamrial@gmail.com>

diff --git a/libavcodec/mathops.h b/libavcodec/mathops.h
index 958132d897de39f7fd704b17a88dab4c72fa4b34..2d56d007aae21b85477ce682e5754480dcf46632 100644 (file)
--- a/libavcodec/mathops.h
+++ b/libavcodec/mathops.h
@@ -25,6 +25,7 @@
 #include <stdint.h>
 
 #include "libavutil/common.h"
+#include "libavutil/internal.h"
 #include "config.h"
 
 #define MAX_NEG_CROP 1024