[plas] Successful bundle install when specifying gem 'ffi' in stock rails Gemfile

bundleinstallsuccess

n2-194-128:test_site arielkirkwood$ bundle install
Fetching source index for http://rubygems.org/
Using rake (0.9.0) 
Using abstract (1.0.0) 
Using activesupport (3.0.7) 
Using builder (2.1.2) 
Using i18n (0.5.0) 
Using activemodel (3.0.7) 
Using erubis (2.6.6) 
Installing rack (1.2.3) 
Using rack-mount (0.6.14) 
Using rack-test (0.5.7) 
Using tzinfo (0.3.27) 
Using actionpack (3.0.7) 
Using mime-types (1.16) 
Using polyglot (0.3.1) 
Using treetop (1.4.9) 
Using mail (2.2.19) 
Using actionmailer (3.0.7) 
Using arel (2.0.10) 
Using activerecord (3.0.7) 
Using activeresource (3.0.7) 
Using bundler (1.0.13) 
Using ffi (1.0.9) 
Using thor (0.14.6) 
Using railties (3.0.7) 
Using rails (3.0.7) 
Using sqlite3 (1.3.3) 
Your bundle is complete! Use `bundle show [gemname]` to see where a bundled gem is installed.