Change cast to the proper type
Change cast to the proper type

SaschaNaz/TypeScript,SaschaNaz/TypeScript,nojvek/TypeScript,kitsonk/TypeScript,minestarks/TypeScript,microsoft/TypeScript,Microsoft/TypeScript,Microsoft/TypeScript,kpreisser/TypeScript,nojvek/TypeScript,minestarks/TypeScript,alexeagle/TypeScript,SaschaNaz/TypeScript,kpreisser/TypeScript,RyanCavanaugh/TypeScript,alexeagle/TypeScript,Microsoft/TypeScript,donaldpipowitch/TypeScript,weswigham/TypeScript,microsoft/TypeScript,alexeagle/TypeScript,weswigham/TypeScript,kitsonk/TypeScript,SaschaNaz/TypeScript,kpreisser/TypeScript,microsoft/TypeScript,nojvek/TypeScript,nojvek/TypeScript,RyanCavanaugh/TypeScript,kitsonk/TypeScript,weswigham/TypeScript,donaldpipowitch/TypeScript,donaldpipowitch/TypeScript,RyanCavanaugh/TypeScript,donaldpipowitch/TypeScript,minestarks/TypeScript