Log Message:
Update sysutils/ruby-listen to 3.2.1

Update ruby-listen to 3.2.1.

3.2.1 (2019-12-05)

unknown

3.2.0 (2019-10-11)

* Fix warnings in spec output (#464) @floehopper
* README: Remove defunct Gemnasium badge (#461) @olleolleolle
* Update the RuboCop dependency (#447) @rymai
* ! assigned but unused variable - from_change, to_change (#438) @amatsuda
* Update dependencies and travis matrix (#446) @rymai
* Upgrade to latest rb-fsevent and rb-notify releases (#443) @thibaudgg
* Update Natalie’s name (#433) @ddfreyne
* Fix small markdown syntax issue in README (#430) @sivaraam
* Update .travis.yml (#427) @junaruga
* update travis.yml (bump ruby + bundler cache) (#395) @e2
* set Travis to MRI 2.2.5 and JRuby 9.1.2.0 (#408) @e2
* Require rb-fsevent when needed, in _configure method (#419) @jirutka
* Update matrix to use Ruby 2.2.5 (#418) @rymai
* Don't require rb-fsevent until actually needed (#417) @jirutka
* Please the look with retina friendly badges (#413) @elia
* [ci skip] Document behavior in forked environment (#403) @schneems