Major gofix run.

user.go

@@ -6,7 +6,7 @@ package main
 
 import (
 	"encoding/hex"
-	"os"
+	"errors"
 )
 
 // This file implements Server's handling of Users.
@@ -26,12 +26,12 @@ type User struct {
 }
 
 // Create a new User
-func NewUser(id uint32, name string) (user *User, err os.Error) {
+func NewUser(id uint32, name string) (user *User, err error) {
 	if id < 0 {
-		return nil, os.NewError("Invalid user id")
+		return nil, errors.New("Invalid user id")
 	}
 	if len(name) == 0 {
-		return nil, os.NewError("Invalid username")
+		return nil, errors.New("Invalid username")
 	}
 
 	return &User{