fixed nodelint warnings
fixed nodelint warnings

BuZZ-dEE/nodeunit,caolan/nodeunit,caolan/nodeunit,zuazo-forks/nodeunit,1602/nodeunit,ExtPoint/extnodeunit,robert-berg/rjberg-nodeunit,hildjj/nodeunit,isaacs/nodeunit,BuZZ-dEE/nodeunit,sethmcl/nodeunit,sethmcl/nodeunit,hildjj/nodeunit,ExtPoint/extnodeunit