mpc8: Initialize AVFrame properly

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/mpc8.c

@@ -143,6 +143,9 @@ static av_cold int mpc8_decode_init(AVCodecContext * avctx)
     avctx->channel_layout = (channels==2) ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO;
     avctx->channels = channels;
 
+    avcodec_get_frame_defaults(&c->frame);
+    avctx->coded_frame = &c->frame;
+
     if(vlc_initialized) return 0;
     av_log(avctx, AV_LOG_DEBUG, "Initing VLC\n");
 
@@ -234,9 +237,6 @@ static av_cold int mpc8_decode_init(AVCodecContext * avctx)
     }
     vlc_initialized = 1;
 
-    avcodec_get_frame_defaults(&c->frame);
-    avctx->coded_frame = &c->frame;
-
     return 0;
 }