Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Longhai Li <longhai.li@usask.ca>’
  
  New maintainer:
    Longhai Li <longhai.li@usask.ca>
  Old maintainer(s):
    Longhai Li <longhai@math.usask.ca>

No changes to worse in reverse depends.