fix failures

Author: anju15bharti

src/backend/rewrite/rewriteDefine.c

@@ -34,6 +34,7 @@
 #include "utils/builtins.h"
 #include "utils/inval.h"
 #include "utils/lsyscache.h"
+#include "mb/pg_wchar.h"
 #include "utils/rel.h"
 #include "utils/syscache.h"