[PATCH] doc/rbtree: fix inserting example

[Marcin Slusarz <marcin.slusarz@gmail.com>]

rb_link_node and rb_insert_color take pointer to struct rb_node
as a first parameter, but example code passes plain struct rb_node.
Fix it.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Rob Landley <rob@landley.net>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
---
 Documentation/rbtree.txt |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/rbtree.txt b/Documentation/rbtree.txt
index 7224459..b67a87e 100644
--- a/Documentation/rbtree.txt
+++ b/Documentation/rbtree.txt
@@ -131,8 +131,8 @@ Example:
   	}
 
   	/* Add new node and rebalance tree. */
-  	rb_link_node(data->node, parent, new);
-  	rb_insert_color(data->node, root);
+  	rb_link_node(&data->node, parent, new);
+  	rb_insert_color(&data->node, root);
 
 	return TRUE;
   }
-- 
1.6.3.3