Apple has just seeded Mac OS X Lion 10.7.2 Update (11C40) to developers along side iCloud Beta 8 for OS X Lion and Safari 5.1.1 Update 2.
This pre-released version of Lion 10.7.2 is seeded for testing iCloud and updating the public release of OS X Lion and the previous versions of Lion 10.7.2. If you have installed a previous release of Lion 10.7.2 run the included reversioner package followed by the OS X Lion 10.7.2 update without restarting your system.
Safari 5.1.1 Update 2 for Mac OS X Lion 10.7.2 is seeded to test Bookmarks and Reading List with iCloud.
Download The updates from HERE