t6026-merge-attr: clean up background process at end of test case

diff --git a/notes.c b/notes.c
index e4e4854d69fb965e68a712dd342121d3276be945..df4660fe62ae64356950ca51c1acead0398f93f1 100644 (file)
--- a/notes.c
+++ b/notes.c
@@ -70,7 +70,7 @@ struct non_note {
 
 struct notes_tree default_notes_tree;
 
-static struct string_list display_notes_refs;
+static struct string_list display_notes_refs = STRING_LIST_INIT_NODUP;
 static struct notes_tree **display_notes_trees;
 
 static void load_subtree(struct notes_tree *t, struct leaf_node *subtree,