csv.rb: honor encoding option
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46391 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
csv.rb: honor encoding option
the patch by DAISUKE TANIWAKI at
[ruby-core:62113]. [Bug #9766]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46391 b2dd03c8-39d4-4d8f-98ff-823fe69b080e