reiserfs: cleanup, remove unnecessary parens

The reiserfs code is littered with extra parens in places where the authors
may not have been certain about precedence of & vs ->. This patch cleans them
out.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/reiserfs/item_ops.c b/fs/reiserfs/item_ops.c
index cb6b826..cfaee91 100644
--- a/fs/reiserfs/item_ops.c
+++ b/fs/reiserfs/item_ops.c
@@ -491,8 +491,8 @@
 		j = old_entry_num(is_affected, i, vn->vn_pos_in_item,
 				  vn->vn_mode);
 		dir_u->entry_sizes[i] =
-		    (j ? deh_location(&(deh[j - 1])) : ih_item_len(vi->vi_ih)) -
-		    deh_location(&(deh[j])) + DEH_SIZE;
+		    (j ? deh_location(&deh[j - 1]) : ih_item_len(vi->vi_ih)) -
+		    deh_location(&deh[j]) + DEH_SIZE;
 	}
 
 	size += (dir_u->entry_count * sizeof(short));