Include what you use for the preparser.

src/hashmap.cc

Index: src/hashmap.cc
diff --git a/src/hashmap.cc b/src/hashmap.cc
index 0b404a97e18667830198c2527ce86a792d751a82..873302ae80a794d1e0d4e6297990b06882d75b08 100644
--- a/src/hashmap.cc
+++ b/src/hashmap.cc
@@ -1,4 +1,4 @@
-// Copyright 2008 the V8 project authors. All rights reserved.
+// Copyright 2012 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:
@@ -25,13 +25,10 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#include "../include/v8stdint.h"
-#include "globals.h"
+#include "hashmap.h"
+
 #include "checks.h"
 #include "utils.h"
-#include "allocation.h"
-
-#include "hashmap.h"
 
 namespace v8 {
 namespace internal {