Add missing semicolon when emitting return statement.
Add missing semicolon when emitting return statement.

Fixes #6824.
AbubakerB/TypeScript,evgrud/TypeScript,blakeembrey/TypeScript,jwbay/TypeScript,minestarks/TypeScript,Microsoft/TypeScript,ziacik/TypeScript,DLehenbauer/TypeScript,AbubakerB/TypeScript,kitsonk/TypeScript,DLehenbauer/TypeScript,blakeembrey/TypeScript,Microsoft/TypeScript,vilic/TypeScript,kpreisser/TypeScript,mihailik/TypeScript,nycdotnet/TypeScript,jwbay/TypeScript,AbubakerB/TypeScript,RyanCavanaugh/TypeScript,ziacik/TypeScript,evgrud/TypeScript,mihailik/TypeScript,weswigham/TypeScript,kitsonk/TypeScript,kitsonk/TypeScript,jeremyepling/TypeScript,synaptek/TypeScript,thr0w/Thr0wScript,ziacik/TypeScript,TukekeSoft/TypeScript,donaldpipowitch/TypeScript,donaldpipowitch/TypeScript,blakeembrey/TypeScript,plantain-00/TypeScript,alexeagle/TypeScript,SaschaNaz/TypeScript,chuckjaz/TypeScript,RyanCavanaugh/TypeScript,vilic/TypeScript,samuelhorwitz/typescript,Eyas/TypeScript,SaschaNaz/TypeScript,samuelhorwitz/typescript,donaldpipowitch/TypeScript,alexeagle/TypeScript,kpreisser/TypeScript,Eyas/TypeScript,jeremyepling/TypeScript,basarat/TypeScript,microsoft/TypeScript,synaptek/TypeScript,evgrud/TypeScript,mihailik/TypeScript,plantain-00/TypeScript,AbubakerB/TypeScript,nojvek/TypeScript,minestarks/TypeScript,SaschaNaz/TypeScript,mihailik/TypeScript,samuelhorwitz/typescript,thr0w/Thr0wScript,synaptek/TypeScript,nycdotnet/TypeScript,microsoft/TypeScript,jwbay/TypeScript,nycdotnet/TypeScript,Eyas/TypeScript,samuelhorwitz/typescript,chuckjaz/TypeScript,DLehenbauer/TypeScript,jeremyepling/TypeScript,alexeagle/TypeScript,SaschaNaz/TypeScript,vilic/TypeScript,ziacik/TypeScript,erikmcc/TypeScript,plantain-00/TypeScript,evgrud/TypeScript,weswigham/TypeScript,donaldpipowitch/TypeScript,RyanCavanaugh/TypeScript,synaptek/TypeScript,chuckjaz/TypeScript,nycdotnet/TypeScript,kpreisser/TypeScript,Microsoft/TypeScript,nojvek/TypeScript,jwbay/TypeScript,microsoft/TypeScript,basarat/TypeScript,vilic/TypeScript,erikmcc/TypeScript,Eyas/TypeScript,basarat/TypeScript,minestarks/TypeScript,thr0w/Thr0wScript,weswigham/TypeScript,plantain-00/TypeScript,nojvek/TypeScript,erikmcc/TypeScript,erikmcc/TypeScript,nojvek/TypeScript,DLehenbauer/TypeScript,thr0w/Thr0wScript,basarat/TypeScript,TukekeSoft/TypeScript,TukekeSoft/TypeScript,blakeembrey/TypeScript,chuckjaz/TypeScript