ruby.c: --help option
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37298 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ruby.c: --help option
[EXPREIMENTAL] [ruby-core:48072] [Bug #7184]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37298 b2dd03c8-39d4-4d8f-98ff-823fe69b080e