fix a typo in queue.go
fix a typo in queue.go

benschumacher/drone,lins05/drone,masarakki/drone,carnivalmobile/drone,veghead/drone,chlorm-forks/drone,NamPNQ/drone,Ablu/drone,vtolstov/drone,chlorm-forks/drone,carnivalmobile/drone,donatj/drone,Ablu/drone,donatj/drone,Ablu/drone,jdamick/drone,jdamick/drone,lins05/drone,bsauvajon/drone,NamPNQ/drone,vaijab/drone,carnivalmobile/drone,veghead/drone,vaijab/drone,masarakki/drone,donatj/drone,benschumacher/drone,bsauvajon/drone,vtolstov/drone