Ruby

• test/benchmark/test_benchmark.rb (capture_output):
  replace '-' as space. On NetBSD, subtract between two Process.times
  after and before the short process may return negative value like:
  t0=Process.times; yield; t1=Process.times; p t1.utime-t0.utime

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32033 b2dd03c8-39d4-4d8f-98ff-823fe69b080e