bump to ruby 2.2.4

the ffi branch is necessary for AIX until that patch is merged.

1 files changed, 2 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index e39a50a586..32b801af83 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,6 +8,8 @@ gem "chef-config", path: "chef-config" if File.exist?(File.expand_path("../chef-
 # Ensure that we can always install rake, regardless of gem groups
 gem "rake"
 
+gem "ffi", github: "lamont-granquist/ffi", branch: "lcg/rb_gc_guard_ptr" if RUBY_PLATFORM.downcase =~ /aix/
+
 group(:docgen) do
   gem "yard"
 end