[MOD] When entered number of periods is zero, to not do anything instead of treating is as if it was 1 period.
[MOD] When entered number of periods is zero, to not do anything instead of treating is as if it was 1 period.

git-svn-id: a7fabbc6a7c54ea5c67cbd16bd322330fd10cc35@38550 b456876b-0849-0410-b77d-98878d47e9d5

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