Merge "simg_dump.py: fix error for CHUNK_TYPE_FILL"

          curtype = format("Fill with 0x%08X" % (fill))

          if showhash:

            h = hashlib.sha1()

            data = fill_bin * (blk_sz / 4);

            data = fill_bin * (blk_sz // 4);

            for block in range(chunk_sz):

              h.update(data)

            curhash = h.hexdigest()