libavcodec/hqx.c:589: error: Uninitialized Value
  The value read from slice_off[_] was never initialized.

libavcodec/hqx.c:589:13: 
587. 
588.     for (slice = 0; slice < 16; slice++) {
589.         if (slice_off[slice] < HQX_HEADER_SIZE ||
                 ^
590.             slice_off[slice] >= slice_off[slice + 1] ||
591.             slice_off[slice + 1] > data_size) {
