[Kst-plot/kst] 3cdfb8: Make its.c C89 Compatible

[Barth Netterfield]

  Branch: refs/heads/master
  Home:   https://github.com/Kst-plot/kst
  Commit: 3cdfb8914a8ed19c473d0e9c05b72cc8498621e9
      https://github.com/Kst-plot/kst/commit/3cdfb8914a8ed19c473d0e9c05b72cc8498621e9
  Author: Barth Netterfield <netterfield at astro.utoronto.ca>
  Date:   2018-04-25 (Wed, 25 Apr 2018)

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

  Log Message:
  -----------
  Make its.c C89 Compatible