btrfs: make btrfs_qgroup_release_data take btrfs_inode

It just forwards its argument to __btrfs_qgroup_release_data.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>