Fix #include order from e839c8e.

Reported-by: Alexander Korotkov
Discussion: https://postgr.es/m/CAPpHfduAiGSsvUc614Z-JOnyQffcMeJncWMF2HnUL8wFy4fuWA@mail.gmail.com

Author: jeff-davis

src/backend/statistics/stat_utils.c

@@ -20,9 +20,9 @@
 #include "catalog/pg_database.h"
 #include "miscadmin.h"
 #include "statistics/stat_utils.h"
+#include "utils/acl.h"
 #include "utils/array.h"
 #include "utils/builtins.h"
-#include "utils/acl.h"
 #include "utils/rel.h"
 
 /*