[PATCH] shared_policy_replace() fix

It appears that this statement got lost during patch merging.  We don't want
to free the node which we just added.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

mm/mempolicy.c

@@ -1030,6 +1030,7 @@ static int shared_policy_replace(struct shared_policy *sp, unsigned long start,
 				}
 				n->end = start;
 				sp_insert(sp, new2);
+				new2 = NULL;
 				break;
 			} else
 				n->end = start;