3996 want a libzfs_core API to rollback to latest snapshot
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>

@@ -17,11 +17,11 @@
 # information: Portions Copyright [yyyy] [name of copyright owner]
 #
 # CDDL HEADER END
 #
 # Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
-# Copyright (c) 2012 by Delphix. All rights reserved.
+# Copyright (c) 2013 by Delphix. All rights reserved.
 #
 # MAPFILE HEADER START
 #
 # WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
 # Object versioning must comply with the rules detailed in

@@ -47,10 +47,11 @@
         lzc_exists;
         lzc_get_holds;
         lzc_hold;
         lzc_receive;
         lzc_release;
+        lzc_rollback;
         lzc_send;
         lzc_send_space;
         lzc_snaprange_space;
         lzc_snapshot;