1 files changed, 1 insertions, 0 deletions
diff --git a/mpbswap.h b/mpbswap.h
index f5b6601dcc..27cf7b69d5 100644
--- a/mpbswap.h
+++ b/mpbswap.h
@@ -2,5 +2,6 @@
 #define MPBSWAP_H
 
 #include "libavutil/bswap.h"
+void swab(const void *from, void *to, ssize_t n);
 
 #endif /* MPBSWAP_H */