Fix compatibility issue with PHP 5.3
Fix compatibility issue with PHP 5.3

djpadz/kanboard,Nerdingher/kanboard,patoi/kanboard,cdgeelen/kanboard,kasunf/KanboardBOI,cdgeelen/kanboard,xavividal/kanboard,filhocf/kanboard,fguillot/kanboard,Shaxine/kanboard,Busfreak/kanboard,Nerdingher/kanboard,xavividal/kanboard,kanboard/kanboard,jtourt/kanboard,kasunf/KanboardBOI,jtourt/kanboard,oliviermaridat/kanboard,fguillot/kanboard,xavividal/kanboard,filhocf/kanboard,patoi/kanboard,oliviermaridat/kanboard,dromek/kanboard,thylo/kanboard,dromek/kanboard,cdgeelen/kanboard,renothing/kanboard,vaikan/kanboard,Busfreak/kanboard,dromek/kanboard,vaikan/kanboard,BlueTeck/kanboard,stinnux/kanboard,Busfreak/kanboard,libin/kanboard,filhocf/kanboard,kasunf/KanboardBOI,BlueTeck/kanboard,stinnux/kanboard,djpadz/kanboard,oliviermaridat/kanboard,kanboard/kanboard,lianguan/kanboard,Shaxine/kanboard,renothing/kanboard,lianguan/kanboard,Nerdingher/kanboard,kanboard/kanboard,djpadz/kanboard,BlueTeck/kanboard,fguillot/kanboard,lianguan/kanboard,stinnux/kanboard,vaikan/kanboard,thylo/kanboard,jtourt/kanboard,renothing/kanboard,libin/kanboard,thylo/kanboard,Shaxine/kanboard,patoi/kanboard