Rebase to tzdata-2018g
      - Morocco will change from UTC+00/+01 to permanent +01 effective 2018-10-27.
      - Includes changes for tzdata-2018f.
        - Volgograd will change from UTC+03 to UTC+04 on 2018-10-28 at 02:00.
        - Fiji will end DST on 2019-01-13 instead of the 2019-01-20 as
          previously predicted.
        - Most of Chile will end DST on the first Saturday in April at 24:00
          and restart DST on the first Saturday in September at 24:00.
        - Morocco will change from UTC+00/+01 to permanent +01 effective 2018-10-27.