Update node-gcm.d.ts
Update node-gcm.d.ts

added missing recipient type
gandjustas/DefinitelyTyped,johan-gorter/DefinitelyTyped,vagarenko/DefinitelyTyped,arma-gast/DefinitelyTyped,pwelter34/DefinitelyTyped,pocesar/DefinitelyTyped,arusakov/DefinitelyTyped,tan9/DefinitelyTyped,chbrown/DefinitelyTyped,sledorze/DefinitelyTyped,syuilo/DefinitelyTyped,nycdotnet/DefinitelyTyped,syuilo/DefinitelyTyped,scriby/DefinitelyTyped,dsebastien/DefinitelyTyped,paulmorphy/DefinitelyTyped,CodeZombieCH/DefinitelyTyped,EnableSoftware/DefinitelyTyped,abbasmhd/DefinitelyTyped,wilfrem/DefinitelyTyped,mhegazy/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,donnut/DefinitelyTyped,nainslie/DefinitelyTyped,slavomirvojacek/DefinitelyTyped,amir-arad/DefinitelyTyped,Litee/DefinitelyTyped,georgemarshall/DefinitelyTyped,smrq/DefinitelyTyped,mattblang/DefinitelyTyped,CodeZombieCH/DefinitelyTyped,Penryn/DefinitelyTyped,hellopao/DefinitelyTyped,chrismbarr/DefinitelyTyped,sclausen/DefinitelyTyped,ryan-codingintrigue/DefinitelyTyped,chrootsu/DefinitelyTyped,Pro/DefinitelyTyped,micurs/DefinitelyTyped,danfma/DefinitelyTyped,sledorze/DefinitelyTyped,danfma/DefinitelyTyped,raijinsetsu/DefinitelyTyped,ashwinr/DefinitelyTyped,DzmitryDulko/DefinitelyTyped,raijinsetsu/DefinitelyTyped,martinduparc/DefinitelyTyped,jimthedev/DefinitelyTyped,use-strict/DefinitelyTyped,nobuoka/DefinitelyTyped,ashwinr/DefinitelyTyped,Dashlane/DefinitelyTyped,arma-gast/DefinitelyTyped,progre/DefinitelyTyped,Softpagehomeware/DefinitelyTyped,minodisk/DefinitelyTyped,laurentiustamate94/DefinitelyTyped,Penryn/DefinitelyTyped,slavomirvojacek/DefinitelyTyped,psnider/DefinitelyTyped,frogcjn/DefinitelyTyped,Zzzen/DefinitelyTyped,georgemarshall/DefinitelyTyped,florentpoujol/DefinitelyTyped,jimthedev/DefinitelyTyped,QuatroCode/DefinitelyTyped,rolandzwaga/DefinitelyTyped,Litee/DefinitelyTyped,damianog/DefinitelyTyped,florentpoujol/DefinitelyTyped,Ptival/DefinitelyTyped,trystanclarke/DefinitelyTyped,mhegazy/DefinitelyTyped,schmuli/DefinitelyTyped,sclausen/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,rolandzwaga/DefinitelyTyped,stacktracejs/DefinitelyTyped,AgentME/DefinitelyTyped,arusakov/DefinitelyTyped,philippstucki/DefinitelyTyped,progre/DefinitelyTyped,stacktracejs/DefinitelyTyped,Pro/DefinitelyTyped,gandjustas/DefinitelyTyped,mareek/DefinitelyTyped,zuzusik/DefinitelyTyped,yuit/DefinitelyTyped,musicist288/DefinitelyTyped,mcliment/DefinitelyTyped,Softpagehomeware/DefinitelyTyped,Ptival/DefinitelyTyped,newclear/DefinitelyTyped,chrismbarr/DefinitelyTyped,pocesar/DefinitelyTyped,gcastre/DefinitelyTyped,mcrawshaw/DefinitelyTyped,subash-a/DefinitelyTyped,zuzusik/DefinitelyTyped,martinduparc/DefinitelyTyped,borisyankov/DefinitelyTyped,eugenpodaru/DefinitelyTyped,nainslie/DefinitelyTyped,magny/DefinitelyTyped,amanmahajan7/DefinitelyTyped,smrq/DefinitelyTyped,amanmahajan7/DefinitelyTyped,AgentME/DefinitelyTyped,reppners/DefinitelyTyped,chrootsu/DefinitelyTyped,rcchen/DefinitelyTyped,schmuli/DefinitelyTyped,psnider/DefinitelyTyped,YousefED/DefinitelyTyped,Dashlane/DefinitelyTyped,AgentME/DefinitelyTyped,gcastre/DefinitelyTyped,abbasmhd/DefinitelyTyped,alvarorahul/DefinitelyTyped,zuzusik/DefinitelyTyped,alvarorahul/DefinitelyTyped,magny/DefinitelyTyped,one-pieces/DefinitelyTyped,benishouga/DefinitelyTyped,nfriend/DefinitelyTyped,georgemarshall/DefinitelyTyped,borisyankov/DefinitelyTyped,xStrom/DefinitelyTyped,benliddicott/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,OpenMaths/DefinitelyTyped,pocesar/DefinitelyTyped,mareek/DefinitelyTyped,OpenMaths/DefinitelyTyped,greglo/DefinitelyTyped,slavomirvojacek/adbrain-typescript-definitions,HPFOD/DefinitelyTyped,dsebastien/DefinitelyTyped,axelcostaspena/DefinitelyTyped,rcchen/DefinitelyTyped,shlomiassaf/DefinitelyTyped,xStrom/DefinitelyTyped,newclear/DefinitelyTyped,georgemarshall/DefinitelyTyped,daptiv/DefinitelyTyped,AgentME/DefinitelyTyped,hellopao/DefinitelyTyped,benishouga/DefinitelyTyped,HPFOD/DefinitelyTyped,martinduparc/DefinitelyTyped,QuatroCode/DefinitelyTyped,donnut/DefinitelyTyped,shlomiassaf/DefinitelyTyped,EnableSoftware/DefinitelyTyped,stephenjelfs/DefinitelyTyped,slavomirvojacek/adbrain-typescript-definitions,AbraaoAlves/DefinitelyTyped,wilfrem/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,abner/DefinitelyTyped,abner/DefinitelyTyped,Zzzen/DefinitelyTyped,schmuli/DefinitelyTyped,aciccarello/DefinitelyTyped,emanuelhp/DefinitelyTyped,use-strict/DefinitelyTyped,psnider/DefinitelyTyped,johan-gorter/DefinitelyTyped,minodisk/DefinitelyTyped,mcrawshaw/DefinitelyTyped,mattblang/DefinitelyTyped,markogresak/DefinitelyTyped,vagarenko/DefinitelyTyped,aciccarello/DefinitelyTyped,jraymakers/DefinitelyTyped,aciccarello/DefinitelyTyped,alexdresko/DefinitelyTyped,isman-usoh/DefinitelyTyped,yuit/DefinitelyTyped,jimthedev/DefinitelyTyped,trystanclarke/DefinitelyTyped,pwelter34/DefinitelyTyped,emanuelhp/DefinitelyTyped,YousefED/DefinitelyTyped,reppners/DefinitelyTyped,isman-usoh/DefinitelyTyped,subash-a/DefinitelyTyped,nycdotnet/DefinitelyTyped,jraymakers/DefinitelyTyped,damianog/DefinitelyTyped,philippstucki/DefinitelyTyped,hellopao/DefinitelyTyped,benishouga/DefinitelyTyped,scriby/DefinitelyTyped,tan9/DefinitelyTyped,paulmorphy/DefinitelyTyped,DzmitryDulko/DefinitelyTyped,ryan10132/DefinitelyTyped,stephenjelfs/DefinitelyTyped,nobuoka/DefinitelyTyped,greglo/DefinitelyTyped,arusakov/DefinitelyTyped,frogcjn/DefinitelyTyped,alexdresko/DefinitelyTyped