Ruby

lib/test/unit.rb: initialize ivar

• lib/test/unit.rb (Test::Unit::Runner#del_status_line): initialize
  @status_line_size if needed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36183 b2dd03c8-39d4-4d8f-98ff-823fe69b080e