rubygems/rubygems — pull request #915 by parkr (2014-05-13 01:42:44+00:00)
Title: Use Native File::PATH_SEPARATOR and remove $ before gem env

Address @luislavena's comment: https://github.com/rubygems/rubygems/pull/913#discussion_r12563149

/cc @schneems

Follow-up to #913.