slight terminology change

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

core/client.go

@@ -7,7 +7,7 @@ import (
 
 // Client holds onto an open Conn to a client, along with connection information
 type Client struct {
-	cn   *conn
+	conn *conn
 	ip   *net.IP
 	port string
 }
@@ -17,7 +17,7 @@ func NewClient(conn *net.TCPConn) *Client {
 	addr, _ := conn.RemoteAddr().(*net.TCPAddr)
 	ip, port := &addr.IP, strconv.Itoa(addr.Port)
 	return &Client{
-		cn:   wrapConn(conn),
+		conn: wrapConn(conn),
 		ip:   ip,
 		port: port,
 	}
@@ -25,7 +25,7 @@ func NewClient(conn *net.TCPConn) *Client {
 
 // Conn returns the underlying conn
 func (c *Client) Conn() *conn {
-	return c.cn
+	return c.conn
 }
 
 // IP returns the client's IP string