Fix lint issues.
Fix lint issues.

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