Adapt to Branch.NameKey refactoring

Change-Id: Iaa5f2f9eb3bd04d6396a36b58c5df8b1e79358bc
diff --git a/src/main/java/com/googlesource/gerrit/plugins/reviewnotes/CreateReviewNotes.java b/src/main/java/com/googlesource/gerrit/plugins/reviewnotes/CreateReviewNotes.java
index 1ffe2b1..d3ae268 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/reviewnotes/CreateReviewNotes.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/reviewnotes/CreateReviewNotes.java
@@ -283,7 +283,7 @@
       fmt.appendReviewedOn(uf, notes.getChange().getProject(), ps.getId().getParentKey());
     }
     fmt.appendProject(project.get());
-    fmt.appendBranch(change.getDest().get());
+    fmt.appendBranch(change.getDest().branch());
   }
 
   private ObjectInserter getInserter() {