Make "go vet" happy.

Change-Id: I7753570f6f73b5456f668f3108fd0fde78262400
diff --git a/services/wspr/internal/app/app_test.go b/services/wspr/internal/app/app_test.go
index 464790c..ae7bf91 100644
--- a/services/wspr/internal/app/app_test.go
+++ b/services/wspr/internal/app/app_test.go
@@ -312,7 +312,17 @@
 	if err != nil {
 		return nil, fmt.Errorf("unable to start mounttable: %v", err)
 	}
-	proxySpec := rpc.ListenSpec{Addrs: rpc.ListenAddrs{{"tcp", "127.0.0.1:0"}}}
+	proxySpec := rpc.ListenSpec{
+		Addrs: rpc.ListenAddrs{
+			// This '0' label is required by go vet.
+			// TODO(suharshs): Remove the '0' label once []ListenAddr is used
+			// instead of ListenAdders.
+			0: {
+				Protocol: "tcp",
+				Address:  "127.0.0.1:0",
+			},
+		},
+	}
 	proxyShutdown, proxyEndpoint, err := generic.NewProxy(ctx, proxySpec, security.AllowEveryone())
 	if err != nil {
 		return nil, fmt.Errorf("unable to start proxy: %v", err)
diff --git a/services/wspr/internal/browspr/browspr_test.go b/services/wspr/internal/browspr/browspr_test.go
index cdb460c..5a69168 100644
--- a/services/wspr/internal/browspr/browspr_test.go
+++ b/services/wspr/internal/browspr/browspr_test.go
@@ -83,10 +83,15 @@
 	defer shutdown()
 
 	proxySpec := rpc.ListenSpec{
-		Addrs: rpc.ListenAddrs{{
-			Protocol: "tcp",
-			Address:  "127.0.0.1:0",
-		}},
+		Addrs: rpc.ListenAddrs{
+			// This '0' label is required by go vet.
+			// TODO(suharshs): Remove the '0' label once []ListenAddr is used
+			// instead of ListenAdders.
+			0: {
+				Protocol: "tcp",
+				Address:  "127.0.0.1:0",
+			},
+		},
 	}
 	proxyShutdown, proxyEndpoint, err := generic.NewProxy(ctx, proxySpec, security.AllowEveryone())
 	if err != nil {