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-rw-r--r--libavutil/rc4.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavutil/rc4.h b/libavutil/rc4.h
index e4546e3e9d..d3b8e6cb81 100644
--- a/libavutil/rc4.h
+++ b/libavutil/rc4.h
@@ -19,7 +19,7 @@
*/
#ifndef RC4_H
-#ifndef RC4_H
+#define RC4_H
void ff_rc4_enc(const uint8_t *key, int keylen, uint8_t *data, int datalen);