pgbench: Fix order of options in --help output

contrib/pgbench/pgbench.c

@@ -328,10 +328,10 @@ usage(void)
 		   "  %s [OPTION]... [DBNAME]\n"
 		   "\nInitialization options:\n"
 		   "  -i           invokes initialization mode\n"
-		   "  -n           do not run VACUUM after initialization\n"
 		   "  -F NUM       fill factor\n"
-		   "  -s NUM       scaling factor\n"
+		   "  -n           do not run VACUUM after initialization\n"
 		   "  -q           quiet logging (one message each 5 seconds)\n"
+		   "  -s NUM       scaling factor\n"
 		   "  --foreign-keys\n"
 		   "               create foreign key constraints between tables\n"
 		   "  --index-tablespace=TABLESPACE\n"
@@ -348,10 +348,6 @@ usage(void)
 		   "  -f FILENAME  read transaction script from FILENAME\n"
 		   "  -j NUM       number of threads (default: 1)\n"
 		   "  -l           write transaction times to log file\n"
-		   "  --sampling-rate NUM\n"
-		   "               fraction of transactions to log (e.g. 0.01 for 1%% sample)\n"
-		   "  --aggregate-interval NUM\n"
-		   "               aggregate data over NUM seconds\n"
 		   "  -M simple|extended|prepared\n"
 		   "               protocol for submitting queries to server (default: simple)\n"
 		   "  -n           do not run VACUUM before tests\n"
@@ -362,6 +358,10 @@ usage(void)
 	 "  -t NUM       number of transactions each client runs (default: 10)\n"
 		   "  -T NUM       duration of benchmark test in seconds\n"
 		   "  -v           vacuum all four standard tables before tests\n"
+		   "  --aggregate-interval=NUM\n"
+		   "               aggregate data over NUM seconds\n"
+		   "  --sampling-rate=NUM\n"
+		   "               fraction of transactions to log (e.g. 0.01 for 1%% sample)\n"
 		   "\nCommon options:\n"
 		   "  -d             print debugging output\n"
 		   "  -h HOSTNAME    database server host or socket directory\n"