xfs: fix incorrect error-out in xfs_remove

Clean up resources if resetting the dotdot entry doesn't succeed.
Observed through code inspection.

Fixes: 5838d035 ("xfs: reset child dir '..' entry when unlinking child")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Andrey Albershteyn <aalbersh@redhat.com>

fs/xfs/xfs_inode.c

@@ -2479,7 +2479,7 @@ xfs_remove(
 			error = xfs_dir_replace(tp, ip, &xfs_name_dotdot,
 					tp->t_mountp->m_sb.sb_rootino, 0);
 			if (error)
-				return error;
+				goto out_trans_cancel;
 		}
 	} else {
 		/*