worktree: disallow adding same path multiple times

diff --git a/notes-utils.h b/notes-utils.h
index 5d79cbef512e3bdbbfafedbd7650036aff695f83..54083065283f681d8354af633b805a4896c8b036 100644 (file)
--- a/notes-utils.h
+++ b/notes-utils.h
@@ -3,6 +3,9 @@
 
 #include "notes.h"
 
+struct commit_list;
+struct object_id;
+
 /*
  * Create new notes commit from the given notes tree
  *