fsck: s/++i > 1/i++/

Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/fsck.c b/fsck.c
index 0f56977..d44c46c 100644
--- a/fsck.c
+++ b/fsck.c
@@ -485,7 +485,7 @@ static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_optio
 		if (name) {
 			struct object *obj = &parents->item->object;
 
-			if (++counter > 1)
+			if (counter++)
 				put_object_name(options, obj, "%s^%d",
 					name, counter);
 			else if (generation > 0)