zfs: holds: dequadratify

Before:
  15  0m0.177s
  30  0m0.653s
  45  0m1.289s
  60  0m2.129s
  75  0m3.264s
  90  0m4.397s
  100 0m5.996s
  117 0m8.552s

After:
  30  0m0.053s
  117 0m0.125s

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes openzfs#13372
Closes openzfs#13373

cmd/zfs/zfs_main.c

@@ -6560,7 +6560,7 @@ zfs_do_holds(int argc, char **argv)
 		/*
 		 *  1. collect holds data, set format options
 		 */
-		ret = zfs_for_each(argc, argv, flags, types, NULL, NULL, limit,
+		ret = zfs_for_each(1, argv + i, flags, types, NULL, NULL, limit,
 		    holds_callback, &cb);
 		if (ret != 0)
 			errors = B_TRUE;