Fix bug in compilation-handlescope.

src/api.h

Index: src/api.h
diff --git a/src/api.h b/src/api.h
index cd6c3da078af24b0a83bf640e950ca33c60ec884..6fab6a063e639064e30a121b4480598436b0d8fe 100644
--- a/src/api.h
+++ b/src/api.h
@@ -477,6 +477,8 @@ class HandleScopeImplementer {
     entered_contexts_.Initialize(0);
     saved_contexts_.Initialize(0);
     spare_ = NULL;
+    deferred_handles_head_ = NULL;
+    last_handle_before_deferred_block_ = NULL;
     call_depth_ = 0;
   }
 
@@ -484,6 +486,7 @@ class HandleScopeImplementer {
     ASSERT(blocks_.length() == 0);
     ASSERT(entered_contexts_.length() == 0);
     ASSERT(saved_contexts_.length() == 0);
+    ASSERT(deferred_handles_head_ == NULL);
     blocks_.Free();
     entered_contexts_.Free();
     saved_contexts_.Free();