proto/invoice -> bgpwtf/invoice/proto

Change-Id: I5d25864046665e4b0e57ec62a29797fbce6ed3cb
diff --git a/bgpwtf/invoice/statusz.go b/bgpwtf/invoice/statusz.go
index 0a64ce4..9490660 100644
--- a/bgpwtf/invoice/statusz.go
+++ b/bgpwtf/invoice/statusz.go
@@ -7,9 +7,9 @@
 	"sort"
 	"time"
 
+	pb "code.hackerspace.pl/hscloud/bgpwtf/invoice/proto"
 	"code.hackerspace.pl/hscloud/go/mirko"
 	"code.hackerspace.pl/hscloud/go/statusz"
-	pb "code.hackerspace.pl/hscloud/proto/invoice"
 	"github.com/golang/glog"
 )