Added check for trailing whitespaces and corrected existing violations.

test/mjsunit/array-sort.js

Index: test/mjsunit/array-sort.js
diff --git a/test/mjsunit/array-sort.js b/test/mjsunit/array-sort.js
index fd18a5b2d9542c50cf614fadc1cb5d08267916c8..3fa623a65601e7f6bc42809ff88fa9c2d008f7b1 100644
--- a/test/mjsunit/array-sort.js
+++ b/test/mjsunit/array-sort.js
@@ -392,7 +392,7 @@ TestSpecialCasesInheritedElementSort();
 
 // Test that sort calls compare function with global object as receiver,
 // and with only elements of the array as arguments.
-function o(v) { 
+function o(v) {
   return {__proto__: o.prototype, val: v};
 }
 var arr = [o(1), o(2), o(4), o(8), o(16), o(32), o(64), o(128), o(256), o(-0)];