Correct RubyGems bin check on Windows. Bug #5111
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32804 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Correct RubyGems bin check on Windows. Bug #5111
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32804 b2dd03c8-39d4-4d8f-98ff-823fe69b080e