stash test: free the reference
diff --git a/tests/stash/save.c b/tests/stash/save.c
index 5c2d494..c37bad4 100644
--- a/tests/stash/save.c
+++ b/tests/stash/save.c
@@ -225,6 +225,7 @@ void test_stash_save__untracked_regression(void)
assert_commit_message_contains("refs/stash", "WIP on master");
+ git_reference_free(head);
git_buf_free(&untracked_dir);
}