git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@30577 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merges r30544 from trunk into ruby_1_9_2.¶
unless connected. patch by Kazuhiro NISHIYAMA. [ruby-dev:42860]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@30577 b2dd03c8-39d4-4d8f-98ff-823fe69b080e