internal/copyright: close files

Fixes #70507

Change-Id: I2ab1f221ebd45fedc70d1fded29b084147eadd28
Reviewed-on: https://go-review.googlesource.com/c/go/+/630815
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Tim King <taking@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>

diff --git a/src/internal/copyright/copyright_test.go b/src/internal/copyright/copyright_test.go
index dbaefa92dd745b64123272e5bae3a6806779d8d2..fa33a944b0a1fba2978862f2b7b8fc2c6fd01913 100644 (file)
--- a/src/internal/copyright/copyright_test.go
+++ b/src/internal/copyright/copyright_test.go
@@ -49,6 +49,7 @@ func TestCopyright(t *testing.T) {
                        t.Error(err)
                        return nil
                }
+               defer f.Close()
                n, err := f.Read(buf)
                if err != nil && err != io.EOF {
                        t.Error(err)