Added check for trailing whitespaces and corrected existing violations.

test/mjsunit/no-semicolon.js

Index: test/mjsunit/no-semicolon.js
diff --git a/test/mjsunit/no-semicolon.js b/test/mjsunit/no-semicolon.js
index fa6ccba89dc975453a8d33551390c84c41579c92..273ec4bccbb53d35054748bdbe17f0c984f209f9 100644
--- a/test/mjsunit/no-semicolon.js
+++ b/test/mjsunit/no-semicolon.js
@@ -30,7 +30,7 @@
 
 function f() { return }
 
-function g() { 
+function g() {
   return
     4;
 }
@@ -42,4 +42,4 @@ for (var i = 0; i < 10; i++) { break }
 assertEquals(0, i);
 
 for (var i = 0; i < 10; i++) { continue }
-assertEquals(10, i);
+assertEquals(10, i);