suppress warning

* lib/test/unit.rb (terminal_width): suppress uninitialized instance variable warning. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36336 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2012-07-07 21:38:07 +00:00 · 2012-07-07 21:38:07 +00:00 · cf06ed4f52
commit cf06ed4f52
parent 191f473419
1 changed files with 1 additions and 1 deletions
--- a/lib/test/unit.rb
+++ b/lib/test/unit.rb
@ -382,7 +382,7 @@ module Test
      end

      def terminal_width
-        unless @terminal_width
+        unless @terminal_width ||= nil
          begin
            require 'io/console'
            width = $stdout.winsize[1]