[MOD]fgal: move the lock part only for non image + use user_has_perm
[MOD]fgal: move the lock part only for non image + use user_has_perm

git-svn-id: a7fabbc6a7c54ea5c67cbd16bd322330fd10cc35@14825 b456876b-0849-0410-b77d-98878d47e9d5

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