code review 4670051: crypto/openpgp: use new(bytes.Buffer) where possible

src/pkg/crypto/openpgp/write_test.go

Index: src/pkg/crypto/openpgp/write_test.go 
=================================================================== 
--- a/src/pkg/crypto/openpgp/write_test.go 
+++ b/src/pkg/crypto/openpgp/write_test.go 
@@ -16,7 +16,7 @@ 
 
 func TestSignDetached(t *testing.T) { 
	kring, _ := ReadKeyRing(readerFromHex(testKeys1And2PrivateHex)) 
-	out := bytes.NewBuffer(nil) 
+	out := new(bytes.Buffer) 
	message := bytes.NewBufferString(signedInput) 
	err := DetachSign(out, kring[0], message) 
	if err != nil { 
@@ -28,7 +28,7 @@ 
 
 func TestSignTextDetached(t *testing.T) { 
	kring, _ := ReadKeyRing(readerFromHex(testKeys1And2PrivateHex)) 
-	out := bytes.NewBuffer(nil) 
+	out := new(bytes.Buffer) 
	message := bytes.NewBufferString(signedInput) 
	err := DetachSignText(out, kring[0], message) 
	if err != nil { 
@@ -40,7 +40,7 @@ 
 
 func TestSignDetachedDSA(t *testing.T) { 
	kring, _ := ReadKeyRing(readerFromHex(dsaTestKeyPrivateHex)) 
-	out := bytes.NewBuffer(nil) 
+	out := new(bytes.Buffer) 
	message := bytes.NewBufferString(signedInput) 
	err := DetachSign(out, kring[0], message) 
	if err != nil { 
@@ -61,7 +61,7 @@ 
	return 
	} 
 
-	w := bytes.NewBuffer(nil) 
+	w := new(bytes.Buffer) 
	if err := e.SerializePrivate(w); err != nil { 
	t.Errorf("failed to serialize entity: %s", err) 
	return 
@@ -78,7 +78,7 @@ 
	t.Errorf("wrong number of entities found, got %d, want 1", len(el)) 
	} 
 
-	w = bytes.NewBuffer(nil) 
+	w = new(bytes.Buffer) 
	if err := e.SerializePrivate(w); err != nil { 
	t.Errorf("failed to serialize entity second time: %s", err) 
	return 
@@ -112,7 +112,7 @@ 
	if err != nil { 
	t.Errorf("error rereading message: %s", err) 
	} 
-	messageBuf := bytes.NewBuffer(nil) 
+	messageBuf := new(bytes.Buffer) 
	_, err = io.Copy(messageBuf, md.UnverifiedBody) 
	if err != nil { 
	t.Errorf("error rereading message: %s", err)