fix for the reorderTabs - so it won't crash when the tab doesn't exist (yet)
fix for the reorderTabs - so it won't crash when the tab doesn't exist (yet)

git-svn-id: 13cb7e756269fd0f61c7f7401bed1e86f6db1dbb@66127 0f35748b-8228-47f0-bbea-889afbbd9a42

zicht/page-bundle