From f3f482d9f98924be98336b5a3d32ebd514b1f4f3 Mon Sep 17 00:00:00 2001
From: Andras Banki-Horvath <bhandras@gmail.com>
Date: Thu, 9 Apr 2020 20:49:12 +0200
Subject: [PATCH] watchtower: one append instead of appends in a loop

---
 watchtower/standalone.go | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/watchtower/standalone.go b/watchtower/standalone.go
index b1a36bb52..6dd3fe6d4 100644
--- a/watchtower/standalone.go
+++ b/watchtower/standalone.go
@@ -212,9 +212,7 @@ func (w *Standalone) ListeningAddrs() []net.Addr {
 // NOTE: Part of the watchtowerrpc.WatchtowerBackend interface.
 func (w *Standalone) ExternalIPs() []net.Addr {
 	addrs := make([]net.Addr, 0, len(w.cfg.ExternalIPs))
-	for _, addr := range w.cfg.ExternalIPs {
-		addrs = append(addrs, addr)
-	}
+	addrs = append(addrs, w.cfg.ExternalIPs...)
 
 	return addrs
 }