cosmetic: move ForwardedFrame type from types.go to forwarder.go

router/forwarder.go

@@ -7,6 +7,12 @@ import (
 	"time"
 )
 
+type ForwardedFrame struct {
+	srcPeer *Peer
+	dstPeer *Peer
+	frame   []byte
+}
+
 type FrameTooBigError struct {
 	EPMTU int // effective pmtu, i.e. what we tell packet senders
 }

router/types.go

@@ -1,11 +1,5 @@
 package router
 
-type ForwardedFrame struct {
-	srcPeer *Peer
-	dstPeer *Peer
-	frame   []byte
-}
-
 type Interaction struct {
 	code       int
 	resultChan chan<- interface{}