net: close TCPListener in example

R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/8073044

diff --git a/src/pkg/net/example_test.go b/src/pkg/net/example_test.go
index eefe84fa772959d3df31e81035a1220f827599aa..6f2f9074c1f627687ea7895b003c348bdb832fbb 100644 (file)
--- a/src/pkg/net/example_test.go
+++ b/src/pkg/net/example_test.go
@@ -16,6 +16,7 @@ func ExampleListener() {
        if err != nil {
                log.Fatal(err)
        }
+       defer l.Close()
        for {
                // Wait for a connection.
                conn, err := l.Accept()