proto/invoice -> bgpwtf/invoice/proto

Change-Id: I5d25864046665e4b0e57ec62a29797fbce6ed3cb
diff --git a/bgpwtf/invoice/main.go b/bgpwtf/invoice/main.go
index 4a80441..d93034c 100644
--- a/bgpwtf/invoice/main.go
+++ b/bgpwtf/invoice/main.go
@@ -8,8 +8,8 @@
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 
+	pb "code.hackerspace.pl/hscloud/bgpwtf/invoice/proto"
 	"code.hackerspace.pl/hscloud/go/mirko"
-	pb "code.hackerspace.pl/hscloud/proto/invoice"
 )
 
 var (