wgengine/magicsock: remove named return
Doesn't add anything.
@@ -2768,7 +2768,7 @@ type RebindingUDPConn struct {
}
// currentConn returns c's current pconn.
-func (c *RebindingUDPConn) currentConn() (pconn net.PacketConn) {
+func (c *RebindingUDPConn) currentConn() net.PacketConn {
c.mu.Lock()
defer c.mu.Unlock()
return c.pconn
