optparse.rb: getopts message improvement
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46891 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
optparse.rb: getopts message improvement
in the help message. [fix GH-676]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46891 b2dd03c8-39d4-4d8f-98ff-823fe69b080e