Update with gofmt on tip

The changes are compatible with older versions of gofmt.

conn.go

@@ -102,7 +102,6 @@ func (e *netError) Timeout() bool   { return e.timeout }
 
 // CloseError represents close frame.
 type CloseError struct {
-
 	// Code is defined in RFC 6455, section 11.7.
 	Code int
 
@@ -767,7 +766,6 @@ func (c *Conn) SetWriteDeadline(t time.Time) error {
 // Read methods
 
 func (c *Conn) advanceFrame() (int, error) {
-
 	// 1. Skip remainder of previous frame.
 
 	if c.readRemaining > 0 {

conn_test.go

@@ -341,7 +341,6 @@ func TestUnderlyingConn(t *testing.T) {
 }
 
 func TestBufioReadBytes(t *testing.T) {
-
 	// Test calling bufio.ReadBytes for value longer than read buffer size.
 
 	m := make([]byte, 512)

mask.go

@@ -11,7 +11,6 @@ import "unsafe"
 const wordSize = int(unsafe.Sizeof(uintptr(0)))
 
 func maskBytes(key [4]byte, pos int, b []byte) int {
-
 	// Mask one byte at a time for small buffers.
 	if len(b) < 2*wordSize {
 		for i := range b {

util.go

@@ -180,7 +180,6 @@ headers:
 
 // parseExtensiosn parses WebSocket extensions from a header.
 func parseExtensions(header http.Header) []map[string]string {
-
 	// From RFC 6455:
 	//
 	//  Sec-WebSocket-Extensions = extension-list