Added check for trailing whitespaces and corrected existing violations.

test/mjsunit/delete-in-with.js

Index: test/mjsunit/delete-in-with.js
diff --git a/test/mjsunit/delete-in-with.js b/test/mjsunit/delete-in-with.js
index 1efc18de11fdd96da61622b485ac43c5f97ced6b..cbcfe991b891868aaf690ea49719916493bc056c 100644
--- a/test/mjsunit/delete-in-with.js
+++ b/test/mjsunit/delete-in-with.js
@@ -29,6 +29,6 @@
 // objects from within 'with' statements.
 (function(){
   var tmp = { x: 12 };
-  with (tmp) { assertTrue(delete x); }  
+  with (tmp) { assertTrue(delete x); }
   assertFalse("x" in tmp);
 })();