add_flavor_access.rb in fog-1.19.0

- old
+ new

@@ -2,10 +2,10 @@
   module Compute
     class OpenStack
       class Real
         def add_flavor_access(flavor_ref, tenant_id)
           request(
-            :body => MultiJson.encode({
+            :body => Fog::JSON.encode({
               "addTenantAccess" => {
                 "tenant" => tenant_id
               }
             }),
             :expects  => [200, 203],