[rubygems/rubygems] Fixed include realpath in error statement
https://github.com/rubygems/rubygems/commit/ac3b85bd5e
[rubygems/rubygems] Fixed include realpath in error statement
https://github.com/rubygems/rubygems/commit/ac3b85bd5e