typo fix

models/login.go

@@ -169,7 +169,7 @@ func UserSignIn(uname, passwd string) (*User, error) {
 	// For plain login, user must exist to reach this line.
 	// Now verify password.
 	if u.LoginType == PLAIN {
-		if !u.ValidtePassword(passwd) {
+		if !u.ValidatePassword(passwd) {
 			return nil, ErrUserNotExist
 		}
 		return u, nil

models/user.go

@@ -146,7 +146,7 @@ func (u *User) EncodePasswd() {
 }
 
 // ValidtePassword checks if given password matches the one belongs to the user.
-func (u *User) ValidtePassword(passwd string) bool {
+func (u *User) ValidatePassword(passwd string) bool {
 	newUser := &User{Passwd: passwd, Salt: u.Salt}
 	newUser.EncodePasswd()
 	return u.Passwd == newUser.Passwd