Make more JS files beter match the coding standard.

test/mjsunit/regress/regress-1184.js

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 22 matching lines @@
 o.__defineGetter__('foo', function() { throw 42; });
 function f() {
  try {
    // throw below sets up Top::thread_local_.catcher_...
    throw 42;
  } finally {
    // ...JS accessor traverses v8 runtime/JS boundary and
    // when coming back from JS to v8 runtime, retraverses
    // stack with catcher set while processing exception
    // which is not caught by external try catch.
-   try { o.foo; } catch(e) { };
+   try { o.foo; } catch(e) { }
    return;
  }
-};
+}
 f();