redis.conf in rubber-2.13.0

- old
+ new

@@ -195,10 +195,10 @@
 dir <%= rubber_env.redis_db_dir %>
 
 <%-
   redis_master = rubber_instances.for_role('redis_master').first
 
-  if rubber_instances[rubber_env.host].role_names.include?('redis_slave')
+  if rubber_instance.role_names.include?('redis_slave')
 %>
 ################################# REPLICATION #################################
 
 # Master-Slave replication. Use slaveof to make a Redis instance a copy of
 # another Redis server. Note that the configuration is local to the slave