ruby.c: parse -W option
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53370 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ruby.c: parse -W option
argument even if ignored.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53370 b2dd03c8-39d4-4d8f-98ff-823fe69b080e