Add IOPS to terse output

Bump the terse version format. There will be a few more changes
until version 3 is final, but since it's already changed now,
flag it as a different version. Consider this terse version 3 alpha.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/init.c b/init.c
index e8fef21..485efc9 100644
--- a/init.c
+++ b/init.c
@@ -1322,7 +1322,7 @@
 			break;
 		case 'V':
 			terse_version = atoi(optarg);
-			if (terse_version != 2) {
+			if (terse_version != 3) {
 				log_err("fio: bad terse version format\n");
 				exit_val = 1;
 				do_exit++;