[FIX] trackers: Seems explode on an empty string creates an array with one zero element, so if one of the options for the dropdown is zero that defaults to being selected (thanks Xavi, hopefully fixes wish5599)
[FIX] trackers: Seems explode on an empty string creates an array with one zero element, so if one of the options for the dropdown is zero that defaults to being selected (thanks Xavi, hopefully fixes wish5599)

git-svn-id: 7564fe402ed407387e083b9f1c8ef2c2bd7bb5d7@54738 b456876b-0849-0410-b77d-98878d47e9d5

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