allow cs2.0 to build correctly

BoLaMN · BoLaMN · commit 1d8a9e68911d · 2019-12-15T11:47:35.000+11:00
diff --git a/src/dhcp/server.coffee b/src/dhcp/server.coffee
@@ -23,7 +23,7 @@ class Server extends EventEmitter
     new Server(opt)
 
   constructor: (config) ->
-    super
+    super()
 
     sock = dgram.createSocket
       type: 'udp4'
