build fails when using node 10

[adelphes]

The byteLength parameter for writeUint[LB]E must now be <= 6 or an exception is thrown - writing 64-bit integers is not supported.

RangeError [ERR_OUT_OF_RANGE]: The value of "byteLength" is out of range. It must be >= 1 and <= 6. Received 8
      at boundsError (internal/buffer.js:53:9)
      at Buffer.writeUIntLE (internal/buffer.js:475:3)
      at Object.writeWord (lib/elf-writer.js:158:41)
      at ELFHeader.write (lib/elf_header.js:89:12)
      at elf_parts.forEach.elf_part (lib/elf-writer.js:126:18)
      at Array.forEach (<anonymous>)
      at ELFWriter.build (lib/elf-writer.js:125:15)
      at Object.build (lib/elf-writer.js:301:16)
      at Context.<anonymous> (test/test-writer.js:107:37)