device: allow compiling with Go 1.15

Until we depend on Go 1.16 (which isn't released yet), alias our own
variable to the private member of the net package. This will allow an
easy find replace to make this go away when we eventually switch to
1.16.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/device/receive.go b/device/receive.go
index 701e308..605303e 100644
--- a/device/receive.go
+++ b/device/receive.go
@@ -112,7 +112,7 @@ func (device *Device) RoutineReceiveIncoming(IP int, bind conn.Bind) {
 
 		if err != nil {
 			device.PutMessageBuffer(buffer)
-			if errors.Is(err, net.ErrClosed) {
+			if errors.Is(err, conn.NetErrClosed) {
 				return
 			}
 			device.log.Error.Printf("Failed to receive packet: %v", err)