merge revision(s) 55579: [Backport #12556]
* lib/net/ftp.rb (putline): raise an ArgumentError when CR or LF is included in a line.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@55873 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 55579: [Backport #12556]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@55873 b2dd03c8-39d4-4d8f-98ff-823fe69b080e