Fix rc4 header, #ifndef -> #define

Originally committed as revision 10733 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavutil/rc4.h b/libavutil/rc4.h
index e4546e3..d3b8e6c 100644 (file)
--- 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);