Add initial value

diff --git a/p2p/listener.go b/p2p/listener.go
index 5102522..30bbecc 100644 (file)
--- a/p2p/listener.go
+++ b/p2p/listener.go
@@ -56,7 +56,7 @@ func NewDefaultListener(protocol string, lAddr string, skipUPNP bool, logger tlo
        // Create listener
        var listener net.Listener
        var err error
-       var mapResult bool
+       var mapResult = false
        for i := 0; i < tryListenSeconds; i++ {
                listener, err = net.Listen(protocol, lAddr)
                if err == nil {
@@ -88,7 +88,7 @@ func NewDefaultListener(protocol string, lAddr string, skipUPNP bool, logger tlo
                // If the lAddrIP is INADDR_ANY, try UPnP
                if lAddrIP == "" || lAddrIP == "0.0.0.0" {
                        extAddr = getUPNPExternalAddress(lAddrPort, listenerPort)
-                       if extAddr!=nil {
+                       if extAddr != nil {
                                mapResult = true
                        }
                }