[Kst-plot/kst] 2d4752: Fix windows build.

[Barth Netterfield]

Branch: refs/heads/master
Home: https://github.com/Kst-plot/kst
Commit: 2d4752c0266d4dd7738715665cf3adaf99fbb77a
https://github.com/Kst-plot/kst/commit/2d4752c0266d4dd7738715665cf3adaf99fbb77a
Author: Barth Netterfield <***@astro.utoronto.ca>
Date: 2017-02-08 (Wed, 08 Feb 2017)

Changed paths:
M src/libkstapp/labelrenderer.cpp

Log Message:
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Fix windows build.