Added check for trailing whitespaces and corrected existing violations.

test/mjsunit/object-literal-overwrite.js

Index: test/mjsunit/object-literal-overwrite.js
diff --git a/test/mjsunit/object-literal-overwrite.js b/test/mjsunit/object-literal-overwrite.js
index 5c58a2ddb68fdbecdbbcbe8b24a2fc20cc7ae162..5a3584df8ae853da36577b19376ba51692e0e2eb 100644
--- a/test/mjsunit/object-literal-overwrite.js
+++ b/test/mjsunit/object-literal-overwrite.js
@@ -79,7 +79,7 @@ assertEquals(7, foo7[15]);
 // Test for the classic code generator.
 
 function fun(x) {
-  var inner = { j: function(x) { return x; }, j: 7 }; 
+  var inner = { j: function(x) { return x; }, j: 7 };
   return inner.j;
 }
 
@@ -115,4 +115,4 @@ function fun3() {
 
 var y = fun3();
 assertEquals(7, y);
-assertEquals(3, glob3);
+assertEquals(3, glob3);