Use correct header for struct AVLFG.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@18066 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/elbg.h

@@ -21,7 +21,7 @@
 #ifndef AVCODEC_ELBG_H
 #define AVCODEC_ELBG_H
 
-#include "libavutil/random.h"
+#include "libavutil/lfg.h"
 
 /**
  * Implementation of the Enhanced LBG Algorithm