Fixed unused warning in tests/rebase/merge.c
diff --git a/tests/rebase/merge.c b/tests/rebase/merge.c
index 12f0de5..33eadb7 100644
--- a/tests/rebase/merge.c
+++ b/tests/rebase/merge.c
@@ -517,6 +517,11 @@ void rebase_checkout_progress_cb(
void *payload)
{
int *called = payload;
+
+ GIT_UNUSED(path);
+ GIT_UNUSED(completed_steps);
+ GIT_UNUSED(total_steps);
+
*called = 1;
}