Handle newer versions of yajl-ruby.

--- .metadata.orig	Tue Nov  8 08:11:12 2016
+++ .metadata	Tue Nov  8 08:11:42 2016
@@ -19,7 +19,7 @@ dependencies:
     requirements:
     - - ~>
       - !ruby/object:Gem::Version
-        version: 1.2.0
+        version: "1.2"
   type: :runtime
   prerelease: false
   version_requirements: !ruby/object:Gem::Requirement
@@ -27,7 +27,7 @@ dependencies:
     requirements:
     - - ~>
       - !ruby/object:Gem::Version
-        version: 1.2.0
+        version: "1.2"
 - !ruby/object:Gem::Dependency
   name: posix-spawn
   requirement: !ruby/object:Gem::Requirement