OP#207fix variable relationship and add firewall rule

manifests/firewall/iptables.pp

@@ -13,5 +13,13 @@ class confdroid_postgresql::firewall::iptables (
       dport  => $pl_fw_port,
       jump   => 'accept',
     }
+    if $pl_use_pg_bouncer == true {
+      firewall { "${pl_fw_rule_order}${pl_bouncer_port} tcp port ${pl_bouncer_port}":
+        source => $pl_source_range,
+        proto  => 'tcp',
+        dport  => $pl_bouncer_port,
+        jump   => 'accept',
+      }
+    }
   }
 }