Update shazow/ssh-chat dependency (#947)

vendor/github.com/shazow/ssh-chat/sshd/terminal.go

@@ -7,14 +7,17 @@ import (
 	"sync"
 	"time"
 
+	"github.com/shazow/ssh-chat/sshd/terminal"
 	"golang.org/x/crypto/ssh"
-	"golang.org/x/crypto/ssh/terminal"
 )
 
 var keepaliveInterval = time.Second * 30
 var keepaliveRequest = "keepalive@ssh-chat"
 
+// ErrNoSessionChannel is returned when there is no session channel.
 var ErrNoSessionChannel = errors.New("no session channel")
+
+// ErrNotSessionChannel is returned when a channel is not a session channel.
 var ErrNotSessionChannel = errors.New("terminal requires session channel")
 
 // Connection is an interface with fields necessary to operate an sshd host.
@@ -52,7 +55,7 @@ func (c sshConn) Name() string {
 	return c.User()
 }
 
-// Extending ssh/terminal to include a closer interface
+// Terminal extends ssh/terminal to include a close method
 type Terminal struct {
 	terminal.Terminal
 	Conn    Connection
@@ -103,7 +106,7 @@ func NewTerminal(conn *ssh.ServerConn, ch ssh.NewChannel) (*Terminal, error) {
 	return &term, nil
 }
 
-// Find session channel and make a Terminal from it
+// NewSession Finds a session channel and make a Terminal from it
 func NewSession(conn *ssh.ServerConn, channels <-chan ssh.NewChannel) (*Terminal, error) {
 	// Make a terminal from the first session found
 	for ch := range channels {