Fix typo in lazy-instance.h.

There was no build error since we never used LazyDynamicInstance's default parameter.

BUG=v8:2091

Review URL: https://chromiumcodereview.appspot.com/10103032
Patch from Philippe Liard <pliard@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11359 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/lazy-instance.h

@@ -250,7 +250,7 @@ struct LazyInstance {
 
 
 template <typename T,
-          typename CreateTrait = DefaultConstructTrait<T>,
+          typename CreateTrait = DefaultCreateTrait<T>,
           typename InitOnceTrait = SingleThreadInitOnceTrait,
           typename DestroyTrait = LeakyInstanceTrait<T> >
 struct LazyDynamicInstance {