Fix lint errors

Author: zhengbli

src/compiler/core.ts

@@ -833,7 +833,7 @@ namespace ts {
         }
     }
 
-    export function copyListRemovingItem<T>(item: T, list: T[]) {		
+    export function copyListRemovingItem<T>(item: T, list: T[]) {
         let copiedList: T[] = [];
         for (var i = 0, len = list.length; i < len; i++) {
             if (list[i] != item) {
@@ -842,4 +842,4 @@ namespace ts {
         }
         return copiedList;
     }
-}
+}

src/compiler/sys.ts

@@ -274,7 +274,7 @@ namespace ts {
                     startWatchTimer: startWatchTimer,
                     addFile: addFile,
                     removeFile: removeFile
-                }
+                };
             }
 
             // REVIEW: for now this implementation uses polling.