[Kst-plot/kst] 72d22b: Fix typo in travis build script.

[Barth Netterfield]

  Branch: refs/heads/master
  Home:   https://github.com/Kst-plot/kst
  Commit: 72d22b975094a8d48229da8810994deaafe76980
      https://github.com/Kst-plot/kst/commit/72d22b975094a8d48229da8810994deaafe76980
  Author: Barth Netterfield <netterfield at astro.utoronto.ca>
  Date:   2018-11-23 (Fri, 23 Nov 2018)

  Changed paths:
    M cmake/travis.sh

  Log Message:
  -----------
  Fix typo in travis build script.


  Commit: 74197368b1e8acb46aee8ae724dc8402e02b5a17
      https://github.com/Kst-plot/kst/commit/74197368b1e8acb46aee8ae724dc8402e02b5a17
  Author: Barth Netterfield <netterfield at astro.utoronto.ca>
  Date:   2018-11-28 (Wed, 28 Nov 2018)

  Changed paths:
    M src/libkstmath/plottickcalculator.cpp

  Log Message:
  -----------
  Attempt to fix the osX build.


Compare: https://github.com/Kst-plot/kst/compare/c5dddb1cc54d...74197368b1e8
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