opscode/knife-ec2 — pull request #267 by NimishaS (2014-12-24 08:24:12+00:00)
Title: fixed ffi-yajl warning issue

Getting this warning with `ffi-yajl -v1.3.1 gem`:
```
failed to load the ffi-yajl c-extension, falling back to ffi interface
ffi-yajl/json_gem is deprecated, these monkeypatches will be dropped shortly
```