Fix x64 build.

Review URL: http://codereview.chromium.org/149385

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2414 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/heap.cc

@@ -670,7 +670,7 @@ void Heap::Scavenge() {
 
   HeapObjectIterator cell_iterator(cell_space_);
   while (cell_iterator.has_next()) {
-    cell_iterator.next()->Iterate(&scavenge_visitor));
+    cell_iterator.next()->Iterate(&scavenge_visitor);
   }
 
   HeapObjectIterator map_iterator(map_space_);