📚 Update CHANGELOG

Author: Jake Shadle

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- Fix build for non-Windows platforms
 
 ## [v0.2.0] - 2018-06-05
 Removed `init()`. Instead, ANSI is automatically enabled the first time an ANSI string is crated.