Coding style changes to better aling with common
practice

Change-Id: I826bc614da347bf7f36a80ecb3b21caa660ffca4
diff --git a/afrouter/afrouter/signals.go b/afrouter/afrouter/signals.go
index c550842..b178b9a 100644
--- a/afrouter/afrouter/signals.go
+++ b/afrouter/afrouter/signals.go
@@ -75,10 +75,10 @@
 			}
 		}
 	}
-	for _,cl := range(bClusters) {
-		for _, bknd := range(cl.backends) {
+	for _,cl := range bClusters {
+		for _, bknd := range cl.backends {
 			log.Debugf("Closing backend %s", bknd.name)
-			for _,conn := range(bknd.connections) {
+			for _,conn := range bknd.connections {
 				log.Debugf("Closing connection %s", conn.name)
 				conn.close()
 			}