lib/tmpdir.rb: update document for changing FileUtils.remove_entry_secure to FileUtils.remove_entry.
NEWS: add incompatiblity note for lib/tmpdir.rb.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34980 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
lib/tmpdir.rb: update document for changing
FileUtils.remove_entry_secure to FileUtils.remove_entry.
NEWS: add incompatiblity note for lib/tmpdir.rb.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34980 b2dd03c8-39d4-4d8f-98ff-823fe69b080e