merge revision(s) r45604: [Backport #9748]
* lib/fileutils.rb (FileUtils#copy_entry): update rdoc about preserve option and permissions, following r31123. [ruby-core:62065] [Bug #9748]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@46192 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) r45604: [Backport #9748]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@46192 b2dd03c8-39d4-4d8f-98ff-823fe69b080e