[FIX] Avoid SQL error when getting group info for an empty group array
[FIX] Avoid SQL error when getting group info for an empty group array

git-svn-id: 060e72020be46d700189970f693440a5e89f9643@39097 b456876b-0849-0410-b77d-98878d47e9d5

tikiorg/tiki,oregional/tiki,oregional/tiki,tikiorg/tiki,oregional/tiki,changi67/tiki,oregional/tiki,changi67/tiki,changi67/tiki,changi67/tiki,tikiorg/tiki,changi67/tiki,tikiorg/tiki