Fix problem with mixing is_backend and terse_output

Always send disk util and group_run_stats, even if terse
output got set in the server. Also fixes a disk util leak
for !terse_output.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/stat.c b/stat.c
index d54aa85..19b3696 100644
--- a/stat.c
+++ b/stat.c
@@ -1012,25 +1012,23 @@
 			show_thread_status(ts, rs);
 	}
 
-	if (!terse_output) {
-		for (i = 0; i < groupid + 1; i++) {
-			rs = &runstats[i];
+	for (i = 0; i < groupid + 1; i++) {
+		rs = &runstats[i];
 
-			rs->groupid = i;
-			if (is_backend)
-				fio_server_send_gs(rs);
-			else
-				show_group_stats(rs);
-		}
-
+		rs->groupid = i;
 		if (is_backend)
-			fio_server_send_du();
-		else
-			show_disk_util(0);
-
-		free_disk_util();
+			fio_server_send_gs(rs);
+		else if (!terse_output)
+			show_group_stats(rs);
 	}
 
+	if (is_backend)
+		fio_server_send_du();
+	else if (!terse_output)
+		show_disk_util(0);
+
+	free_disk_util();
+
 	free(runstats);
 	free(threadstats);
 }