os: add File.Close for TestFileStatNUL

Change-Id: I9f8b0beed16f38d71055cdc7606306d93fb535c2
Reviewed-on: https://go-review.googlesource.com/c/go/+/622655
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>

diff --git a/src/os/os_windows_test.go b/src/os/os_windows_test.go
index fb95499c17ff464a33c432c790d673a46247ecd0..d9c8fe3db975c566120ca64fbb3b0e542b083739 100644 (file)
--- a/src/os/os_windows_test.go
+++ b/src/os/os_windows_test.go
@@ -990,6 +990,8 @@ func TestFileStatNUL(t *testing.T) {
        if err != nil {
                t.Fatal(err)
        }
+       defer f.Close()
+
        fi, err := f.Stat()
        if err != nil {
                t.Fatal(err)