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

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/test/unit.rb b/lib/test/unit.rb
index 05897aa260..79514dda43 100644
--- a/lib/test/unit.rb
+++ b/lib/test/unit.rb
@@ -396,6 +396,7 @@ module Test
       end
 
       def del_status_line
+        @status_line_size ||= 0
         return unless @options[:job_status] == :replace
         print "\r"+" "*@status_line_size+"\r"
         $stdout.flush