xfs: Remove the left function variable from xfs_ialloc_get_rec()

This patch clean out the left function variable as it is
useless to xfs_ialloc_get_rec().
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

fs/xfs/xfs_ialloc.c

@@ -615,8 +615,7 @@ xfs_ialloc_get_rec(
 	struct xfs_btree_cur	*cur,
 	xfs_agino_t		agino,
 	xfs_inobt_rec_incore_t	*rec,
-	int			*done,
-	int			left)
+	int			*done)
 {
 	int                     error;
 	int			i;
@@ -724,12 +723,12 @@ xfs_dialloc_ag(
 		    pag->pagl_leftrec != NULLAGINO &&
 		    pag->pagl_rightrec != NULLAGINO) {
 			error = xfs_ialloc_get_rec(tcur, pag->pagl_leftrec,
-						   &trec, &doneleft, 1);
+						   &trec, &doneleft);
 			if (error)
 				goto error1;
 
 			error = xfs_ialloc_get_rec(cur, pag->pagl_rightrec,
-						   &rec, &doneright, 0);
+						   &rec, &doneright);
 			if (error)
 				goto error1;
 		} else {