Fix uneccessary mut found by 1.22

diff --git a/src/ln/functional_tests.rs b/src/ln/functional_tests.rs
index fdb07e903f13cc2ad214179b33c83686f645fa04..58c8cd629856269b92e23562bb78293b0914199c 100644 (file)
--- a/src/ln/functional_tests.rs
+++ b/src/ln/functional_tests.rs
@@ -4806,7 +4806,7 @@ fn test_update_add_htlc_bolt2_sender_exceed_max_htlc_num_and_htlc_id_increment()
        for i in 0..max_accepted_htlcs {
                let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV).unwrap();
                let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
-               let mut payment_event = {
+               let payment_event = {
                        nodes[0].node.send_payment(route, our_payment_hash).unwrap();
                        check_added_monitors!(nodes[0], 1);