sstephenson/ruby-build — pull request #572 by davidcelis (2014-05-14 22:38:17+00:00)
Title: Ruby 2.1.2 should also install YAML 0.1.6

Ruby 2.1.2 is missing a statement to install YAML 0.1.6 if it still
needs to be installed. As it's an important security update, it should
do what previous versions of Ruby are doing.

Signed-off-by: David Celis