[FIX] intertiki prefs: avoid error upon clean install since no intertiki master servers have been defined
[FIX] intertiki prefs: avoid error upon clean install since no intertiki master servers have been defined

git-svn-id: a7fabbc6a7c54ea5c67cbd16bd322330fd10cc35@61760 b456876b-0849-0410-b77d-98878d47e9d5

oregional/tiki,oregional/tiki,tikiorg/tiki,tikiorg/tiki,tikiorg/tiki,tikiorg/tiki,oregional/tiki,oregional/tiki