revert unintentional use of var helpOpt
revert unintentional use of var helpOpt

yargs/yargs,bcoe/yargs,bcoe/yargs,jvdm/yargs,tepez/yargs,nexdrew/yargs,jean-emmanuel/yargs,geophree/yargs,ammeep/yargs,ammeep/yargs,dkoleary88/yargs,etiktin/yargs,yargs/yargs,yargs/yargs,elas7/yargs,oti/yargs,geophree/yargs,elas7/yargs,dkoleary88/yargs,tepez/yargs,jean-emmanuel/yargs,nexdrew/yargs