message: core: fix stat SIMD code
diff: @@ -110,7 +110,7 @@ int normHamming(const uchar* a, const uchar* b, int n)
  {
  v_uint64x2 t = v_setzero_u64();
  for(; i <= n - v_uint8x16::nlanes; i += v_uint8x16::nlanes)
  - t += v_popcount(v_reinterpret_as_u64(vx_load(a + i) ^ vx_load(b + i)));
  + t += v_popcount(v_reinterpret_as_u64(v_load(a + i) ^ v_load(b + i)));
  result += (int)v_reduce_sum(t);
  }
  #endif
  