Fixed the bug number in the comment of the test case for mdev-10899.

mysql-test/r/cte_recursive.result

@@ -1770,7 +1770,7 @@ SELECT * FROM cte as t;
 f
 DROP TABLE t1;
 #
-# MDEV-10889: mergeable derived in the spec of recursive CTE
+# MDEV-10899: mergeable derived in the spec of recursive CTE
 #
 create table t1 (a int);
 insert into t1 values

mysql-test/t/cte_recursive.test

@@ -1306,7 +1306,7 @@ SELECT * FROM cte as t;
 DROP TABLE t1;
 
 --echo #
---echo # MDEV-10889: mergeable derived in the spec of recursive CTE
+--echo # MDEV-10899: mergeable derived in the spec of recursive CTE
 --echo #
 
 create table t1 (a int);