libavcodec/nellymoserdec.c:227: error: Uninitialized Value
  The value read from last_off was never initialized.

libavcodec/nellymoserdec.c:227:13: 
225.         if (bitsum > NELLY_DETAIL_BITS) {
226.             big_off = small_off;
227.             small_off = last_off;
                 ^
228.             big_bitsum=bitsum;
229.             small_bitsum=last_bitsum;
