svq1dec: use AV_LOG_ERROR for error message

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/svq1dec.c

@@ -706,7 +706,7 @@ static int svq1_decode_frame(AVCodecContext *avctx,
           result = svq1_decode_block_intra (&s->gb, &current[x], linesize);
           if (result != 0)
           {
-            av_log(s->avctx, AV_LOG_INFO, "Error in svq1_decode_block %i (keyframe)\n",result);
+            av_log(s->avctx, AV_LOG_ERROR, "Error in svq1_decode_block %i (keyframe)\n",result);
             goto err;
           }
         }