Correct reference to client.

Author: cmarkle

lib/softlayer/UserCustomer.rb

@@ -115,7 +115,7 @@ class UserCustomer < ModelBase
 
       resource.to_update do
         external_bindings = self.service.object_mask(UserCustomerExternalBinding.default_object_mask).getExternalBindings
-        external_bindings.collect { |external_binding| UserCustomerExternalBinding.new(soflayer_client, external_binding) }
+        external_bindings.collect { |external_binding| UserCustomerExternalBinding.new(softlayer_client, external_binding) }
       end
     end