[Kst] [Kst-plot/kst] 072441: bis file offset vars should be off_t.

[Barth Netterfield]

  Branch: refs/heads/master
  Home:   https://github.com/Kst-plot/kst
  Commit: 072441a9b102d48057dc254a6bbbdf8198a88f15
      https://github.com/Kst-plot/kst/commit/072441a9b102d48057dc254a6bbbdf8198a88f15
  Author: Barth Netterfield <netterfield at astro.utoronto.ca>
  Date:   2015-08-18 (Tue, 18 Aug 2015)

  Changed paths:
    M src/datasources/bis/bis.c

  Log Message:
  -----------
  bis file offset vars should be off_t.