There is no need to print FFmpeg or codec name in error message

Originally committed as revision 20913 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/cyuv.c

@@ -87,7 +87,7 @@ static int cyuv_decode_frame(AVCodecContext *avctx,
      * of 4 pixels. Thus, the total size of the buffer ought to be:
      *    (3 * 16) + height * (width * 3 / 4) */
     if (buf_size != 48 + s->height * (s->width * 3 / 4)) {
-        av_log(avctx, AV_LOG_ERROR, "ffmpeg: cyuv: got a buffer with %d bytes when %d were expected\n",
+        av_log(avctx, AV_LOG_ERROR, "got a buffer with %d bytes when %d were expected\n",
                buf_size, 48 + s->height * (s->width * 3 / 4));
         return -1;
     }