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-rw-r--r--libavcodec/ac3.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/ac3.h b/libavcodec/ac3.h
index ad1075db41..05879371c1 100644
--- a/libavcodec/ac3.h
+++ b/libavcodec/ac3.h
@@ -24,8 +24,8 @@
* Common code between AC3 encoder and decoder.
*/
-#ifndef AC3_H
-#define AC3_H
+#ifndef FFMPEG_AC3_H
+#define FFMPEG_AC3_H
#include "ac3tab.h"
@@ -172,4 +172,4 @@ void ac3_parametric_bit_allocation(AC3BitAllocParameters *s, uint8_t *bap,
int deltbae,int deltnseg,
uint8_t *deltoffst, uint8_t *deltlen, uint8_t *deltba);
-#endif /* AC3_H */
+#endif /* FFMPEG_AC3_H */