libavformat/mpc8.c:194: error: Uninitialized Value
  The value read from size was never initialized.

libavformat/mpc8.c:194:5: 
192.     av_set_pts_info(st, 32, 1152  << (st->codec->extradata[1]&3)*2, st->codec->sample_rate);
193.     st->duration = c->samples / (1152 << (st->codec->extradata[1]&3)*2);
194.     size -= url_ftell(pb) - pos;
         ^
195. 
196.     return 0;
