message: fix hash tests
diff: @@ -126,8 +126,9 @@ BOOST_AUTO_TEST_CASE(siphash)
  // Note these tests were originally written with tx.nVersion=1
  // and the test would be affected by default tx version bumps if not fixed.
  tx.nVersion = 1;
  + tx.nTime = 0;
  ss << tx;
  - BOOST_CHECK_EQUAL(SipHashUint256(1, 2, ss.GetHash()), 0x79751e980c2a0a35ULL);
  + BOOST_CHECK_EQUAL(SipHashUint256(1, 2, ss.GetHash()), 0x1708BAA2A6B3C73ULL);
  // Check consistency between CSipHasher and SipHashUint256[Extra].
  FastRandomContext ctx;
  