libavformat/rmdec.c:502: error: Uninitialized Value
  The value read from pic_num was never initialized.

libavformat/rmdec.c:502:9: 
500.         rm->videobufpos = 8*rm->slices + 1;
501.         rm->cur_slice = 0;
502.         rm->curpic_num = pic_num;
             ^
503.         rm->pktpos = url_ftell(pb);
504.     }
