ftp.rb: fix example format [ci skip]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59598 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ftp.rb: fix example format [ci skip]
aycabta (Code Ahss) at [ruby-core:82379]. [Bug #13814]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59598 b2dd03c8-39d4-4d8f-98ff-823fe69b080e