* lib/timeout.rb: Added note about change from #8730 [Fixes GH-440]
* NEWS: Improve grammar on change to Timeout
  Patched by @srawlins in https://github.com/ruby/ruby/pull/440


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43640 b2dd03c8-39d4-4d8f-98ff-823fe69b080e