fix trailing whitespace

Author: Rowan Wyborn

src/compiler/types.ts

@@ -2382,7 +2382,7 @@ namespace ts {
         inlineSourceMap?: boolean;
         inlineSources?: boolean;
         jsx?: JsxEmit;
-        jsxNamespace? : string;        
+        jsxNamespace? : string;
         listFiles?: boolean;
         locale?: string;
         mapRoot?: string;