fix application bug

vendor/github.com/lucas-clemente/quic-go/streams_map_generic_helper.go

@@ -1,6 +1,10 @@
 package quic
 
-import "github.com/cheekybits/genny/generic"
+import (
+	"github.com/cheekybits/genny/generic"
+
+	"github.com/lucas-clemente/quic-go/internal/protocol"
+)
 
 // In the auto-generated streams maps, we need to be able to close the streams.
 // Therefore, extend the generic.Type with the stream close method.
@@ -9,3 +13,5 @@ type item interface {
 	generic.Type
 	closeForShutdown(error)
 }
+
+const streamTypeGeneric protocol.StreamType = protocol.StreamTypeUni