Use early returns in dispatch_to_listeners.
Use early returns in dispatch_to_listeners.

RenaudParis/servo,ConnorGBrewster/servo,canaltinova/servo,DominoTree/servo,caldwell/servo,caldwell/servo,pyfisch/servo,bjwbell/servo,splav/servo,KiChjang/servo,eddyb/servo,rnestler/servo,szeged/servo,AnthonyBroadCrawford/servo,AnthonyBroadCrawford/servo,SimonSapin/servo,DominoTree/servo,paulrouget/servo,saneyuki/servo,saneyuki/servo,brendandahl/servo,splav/servo,pyfisch/servo,paulrouget/servo,emilio/servo,larsbergstrom/servo,nnethercote/servo,dati91/servo,peterjoel/servo,pyfisch/servo,larsbergstrom/servo,mattnenterprise/servo,splav/servo,upsuper/servo,saneyuki/servo,mbrubeck/servo,caldwell/servo,sadmansk/servo,rnestler/servo,steveklabnik/servo,splav/servo,steveklabnik/servo,larsbergstrom/servo,brendandahl/servo,peterjoel/servo,thiagopnts/servo,GyrosOfWar/servo,szeged/servo,mattnenterprise/servo,nrc/servo,nnethercote/servo,cbrewster/servo,CJ8664/servo,paulrouget/servo,dagnir/servo,bjwbell/servo,SimonSapin/servo,emilio/servo,notriddle/servo,eddyb/servo,mbrubeck/servo,sadmansk/servo,canaltinova/servo,sadmansk/servo,peterjoel/servo,szeged/servo,nnethercote/servo,AnthonyBroadCrawford/servo,saneyuki/servo,notriddle/servo,dsandeephegde/servo,anthgur/servo,peterjoel/servo,dsandeephegde/servo,pyfisch/servo,nnethercote/servo,mattnenterprise/servo,peterjoel/servo,steveklabnik/servo,AnthonyBroadCrawford/servo,emilio/servo,SimonSapin/servo,DominoTree/servo,runarberg/servo,eddyb/servo,GyrosOfWar/servo,mbrubeck/servo,jimberlage/servo,mattnenterprise/servo,rnestler/servo,canaltinova/servo,rnestler/servo,steveklabnik/servo,KiChjang/servo,dagnir/servo,fiji-flo/servo,anthgur/servo,anthgur/servo,brendandahl/servo,nrc/servo,eddyb/servo,dati91/servo,saneyuki/servo,emilio/servo,AnthonyBroadCrawford/servo,ConnorGBrewster/servo,KiChjang/servo,paulrouget/servo,GyrosOfWar/servo,saneyuki/servo,SimonSapin/servo,notriddle/servo,szeged/servo,AnthonyBroadCrawford/servo,saneyuki/servo,saneyuki/servo,CJ8664/servo,DominoTree/servo,upsuper/servo,dagnir/servo,fiji-flo/servo,rnestler/servo,brendandahl/servo,dati91/servo,szeged/servo,GyrosOfWar/servo,SimonSapin/servo,thiagopnts/servo,SimonSapin/servo,upsuper/servo,brendandahl/servo,notriddle/servo,emilio/servo,paulrouget/servo,cbrewster/servo,notriddle/servo,j3parker/servo,szeged/servo,paulrouget/servo,larsbergstrom/servo,GyrosOfWar/servo,brendandahl/servo,thiagopnts/servo,ConnorGBrewster/servo,dati91/servo,splav/servo,caldwell/servo,upsuper/servo,CJ8664/servo,caldwell/servo,thiagopnts/servo,sadmansk/servo,saneyuki/servo,nnethercote/servo,nnethercote/servo,notriddle/servo,j3parker/servo,RenaudParis/servo,RenaudParis/servo,peterjoel/servo,cbrewster/servo,steveklabnik/servo,sadmansk/servo,avadacatavra/servo,upsuper/servo,KiChjang/servo,dsandeephegde/servo,sadmansk/servo,dagnir/servo,KiChjang/servo,peterjoel/servo,larsbergstrom/servo,sadmansk/servo,anthgur/servo,mbrubeck/servo,anthgur/servo,steveklabnik/servo,anthgur/servo,jimberlage/servo,jimberlage/servo,DominoTree/servo,ConnorGBrewster/servo,nnethercote/servo,sadmansk/servo,paulrouget/servo,jimberlage/servo,cbrewster/servo,j3parker/servo,mattnenterprise/servo,emilio/servo,larsbergstrom/servo,thiagopnts/servo,SimonSapin/servo,paulrouget/servo,ConnorGBrewster/servo,DominoTree/servo,dagnir/servo,avadacatavra/servo,nrc/servo,GyrosOfWar/servo,CJ8664/servo,dsandeephegde/servo,jimberlage/servo,cbrewster/servo,nrc/servo,dsandeephegde/servo,mbrubeck/servo,fiji-flo/servo,cbrewster/servo,AnthonyBroadCrawford/servo,bjwbell/servo,eddyb/servo,CJ8664/servo,fiji-flo/servo,RenaudParis/servo,mbrubeck/servo,larsbergstrom/servo,CJ8664/servo,jimberlage/servo,fiji-flo/servo,bjwbell/servo,larsbergstrom/servo,brendandahl/servo,runarberg/servo,mattnenterprise/servo,SimonSapin/servo,dagnir/servo,caldwell/servo,emilio/servo,notriddle/servo,caldwell/servo,pyfisch/servo,jimberlage/servo,DominoTree/servo,emilio/servo,ConnorGBrewster/servo,KiChjang/servo,bjwbell/servo,jimberlage/servo,RenaudParis/servo,emilio/servo,eddyb/servo,j3parker/servo,notriddle/servo,CJ8664/servo,jimberlage/servo,CJ8664/servo,szeged/servo,paulrouget/servo,avadacatavra/servo,nnethercote/servo,pyfisch/servo,canaltinova/servo,notriddle/servo,rnestler/servo,rnestler/servo,peterjoel/servo,saneyuki/servo,dati91/servo,dsandeephegde/servo,dati91/servo,splav/servo,eddyb/servo,steveklabnik/servo,pyfisch/servo,upsuper/servo,j3parker/servo,j3parker/servo,mattnenterprise/servo,avadacatavra/servo,cbrewster/servo,notriddle/servo,paulrouget/servo,runarberg/servo,szeged/servo,GyrosOfWar/servo,RenaudParis/servo,runarberg/servo,mbrubeck/servo,j3parker/servo,pyfisch/servo,nrc/servo,fiji-flo/servo,anthgur/servo,KiChjang/servo,pyfisch/servo,upsuper/servo,dagnir/servo,splav/servo,upsuper/servo,KiChjang/servo,szeged/servo,larsbergstrom/servo,runarberg/servo,splav/servo,runarberg/servo,canaltinova/servo,avadacatavra/servo,DominoTree/servo,thiagopnts/servo,canaltinova/servo,nnethercote/servo,KiChjang/servo,dsandeephegde/servo,mbrubeck/servo,peterjoel/servo,nnethercote/servo,canaltinova/servo,canaltinova/servo,RenaudParis/servo,runarberg/servo,emilio/servo,thiagopnts/servo,szeged/servo,larsbergstrom/servo,splav/servo,peterjoel/servo,fiji-flo/servo,dati91/servo,nrc/servo,ConnorGBrewster/servo,avadacatavra/servo,cbrewster/servo,ConnorGBrewster/servo,dsandeephegde/servo,rnestler/servo,thiagopnts/servo,anthgur/servo,eddyb/servo,KiChjang/servo,pyfisch/servo,dati91/servo,bjwbell/servo,mattnenterprise/servo,DominoTree/servo,avadacatavra/servo,fiji-flo/servo,splav/servo,nrc/servo,DominoTree/servo,avadacatavra/servo,bjwbell/servo