btrfs: rename err to ret2 in btrfs_add_link()

Unify naming of return value to the preferred way.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2025-05-30 18:17:39 +02:00
commit a579ddca43