Include what you use for the preparser.

src/fixed-dtoa.cc

Index: src/fixed-dtoa.cc
diff --git a/src/fixed-dtoa.cc b/src/fixed-dtoa.cc
index 1fd974c3e23092c0e973b97465f46dd8949010b1..8b0e6fff45d5da7b4eaf29aff3ceb429632b78d4 100644
--- a/src/fixed-dtoa.cc
+++ b/src/fixed-dtoa.cc
@@ -1,4 +1,4 @@
-// Copyright 2011 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:
@@ -25,14 +25,12 @@
 // (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 <math.h>
+#include "fixed-dtoa.h"
 
-#include "../include/v8stdint.h"
 #include "checks.h"
-#include "utils.h"
-
 #include "double.h"
-#include "fixed-dtoa.h"
+#include "globals.h"
+#include "utils.h"
 
 namespace v8 {
 namespace internal {