prevent memory leaks in slice buffer
Remove reference to packets from packet ordering slices to prevent
small memory leak. The leak is bounded and temporary, but this is a good
practice.
diff --git a/packet-manager.go b/packet-manager.go
index d47713b..2f3be10 100644
--- a/packet-manager.go
+++ b/packet-manager.go
@@ -176,8 +176,10 @@
s.sender.sendPacket(out.(encoding.BinaryMarshaler))
// pop off heads
copy(s.incoming, s.incoming[1:]) // shift left
+ s.incoming[len(s.incoming)-1] = nil // clear last
s.incoming = s.incoming[:len(s.incoming)-1] // remove last
copy(s.outgoing, s.outgoing[1:]) // shift left
+ s.outgoing[len(s.outgoing)-1] = nil // clear last
s.outgoing = s.outgoing[:len(s.outgoing)-1] // remove last
} else {
break
