Fix stop_listener/1 spec
Fix stop_listener/1 spec

imdeps/cowboy,omusico/cowboy,sile/cowboy,pap/cowboy,acrispin/cowboy,hairyhum/cowboy,dangjun625/cowboy,nviennot/cowboy,paulperegud/cowboy,callsign-core/cowboy_hybi00,kivra/cowboy,cad627/cowboy,276361270/cowboy,rabbitmq/cowboy,turtleDeng/cowboy,binarin/cowboy,cad627/cowboy,manastech/cowboy,grahamrhay/cowboy,ninenines/cowboy,layerhq/cowboy,CrankWheel/cowboy,yangchengjian/cowboy,manastech/cowboy,K2InformaticsGmbH/cowboy,layerhq/cowboy,bsmr-erlang/cowboy,Reimerei/cowboy,bobos/ecweb,odo/cowboy,callsign-core/cowboy_hybi00,noname007/cowboy,yangchengjian/cowboy,binarin/cowboy