libavcodec/ralf.c:91: error: Uninitialized Value
  The value read from counts[_] was never initialized.

libavcodec/ralf.c:91:9: 
89.     for (i = 0; i < elems; i++) {
90.         cur_len  = get_bits(&gb, 4) + 1;
91.         counts[cur_len]++;
            ^
92.         max_bits = FFMAX(max_bits, cur_len);
93.         lens[i]  = cur_len;
