wgengine: don't close tundev in NewUserspaceEngine.
newUserspaceEngineAdvanced closes the tun device on error already.
Fixes
@@ -188,7 +188,6 @@ func NewUserspaceEngine(logf logger.Logf, tunname string, listenPort uint16) (En
e, err := NewUserspaceEngineAdvanced(conf)
if err != nil {
- tun.Close()
return nil, err
}
return e, err
