Replace explicit match with as_ref().(fixes #1870)
Replace explicit match with as_ref().(fixes #1870)

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ervo,GyrosOfWar/servo,runarberg/servo,sadmansk/servo,tschneidereit/servo,juzer10/servo,nick-thompson/servo,szeged/servo,eddyb/servo,sadmansk/servo,mukilan/servo,nick-thompson/servo,saneyuki/servo,rixrix/servo,bfrohs/servo,seanmonstar/servo,dati91/servo,luniv/servo,larsbergstrom/servo,evilpie/servo,larsbergstrom/servo,peterjoel/servo,michaelwu/servo,dvberkel/servo,evilpie/servo,WriterOfAlicrow/servo,SimonSapin/servo,dmarcos/servo,wartman4404/servo,jgraham/servo,akosel/servo,emilio/servo,GyrosOfWar/servo,jimberlage/servo,caldwell/servo,cbrewster/servo,wpgallih/servo,pyfisch/servo,jdramani/servo,tschneidereit/servo,steveklabnik/servo,ryancanhelpyou/servo,pyfisch/servo,kindersung/servo,eddyb/servo,bjwbell/servo,bjwbell/servo,caldwell/servo,evilpie/servo,tafia/servo,pgonda/servo,pgonda/servo,eddyb/servo,ruud-v-a/servo,GreenRecycleBin/servo,hyowon/servo,nnethercote/servo,peterjoel/servo,larsbergstrom/servo,mt2d2/servo,RenaudParis/servo,thiagopnts/servo,notriddle/servo,bjwbell/servo,SimonSapin/servo,A-deLuna/servo,KiChjang/servo,rixrix/servo,pyecs/servo,Shraddha512/servo,shrenikgala/servo,Adenilson/prototype-viewing-distance,aweinstock314/servo,steveklabnik/servo,srbhklkrn/SERVOENGINE,upsuper/servo,runarberg/servo,avadacatavra/servo,pyfisch/servo,szeged/servo,SimonSapin/servo,rentongzhang/servo,dmarcos/servo,sadmansk/servo,pyfisch/servo,huonw/servo,pyecs/servo,dhananjay92/servo,shrenikgala/servo,dati91/servo,Shraddha512/servo,bfrohs/servo,luniv/servo,tempbottle/servo,CJ8664/servo,pgonda/servo,pyfisch/servo,ConnorGBrewster/servo,aweinstock314/servo,vks/servo,tafia/servo,brendandahl/servo,rnestler/servo,steveklabnik/servo,tschneidereit/servo,youprofit/servo,AnthonyBroadCrawford/servo,AnthonyBroadCrawford/servo,AnthonyBroadCrawford/servo,jdramani/servo,aweinstock314/servo,dvberkel/servo,luniv/servo,rentongzhang/servo,szeged/servo,indykish/servo,zentner-kyle/servo,luniv/servo,nick-thompson/servo,luniv/servo,j3parker/servo,vks/servo,dhananjay92/servo,wpgallih/servo,karlito40/servo,dvberkel/servo,RenaudParis/servo,ruud-v-a/servo,Shraddha512/servo,hyowon/servo,mbrubeck/servo,avadacatavra/servo,zentner-kyle/servo,splav/servo,eddyb/servo,cbrewster/servo,paulrouget/servo,codemac/servo,anthgur/servo,szeged/servo,dati91/servo,shrenikgala/servo,jdramani/servo,pgonda/servo,s142857/servo