* lib/rexml/streamlistener.rb: [DOC] Fix examples in
  REXML::StreamListener#entitydecl patch by Ippei Obayashi [Bug #8665]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42125 b2dd03c8-39d4-4d8f-98ff-823fe69b080e