Unbreak the 64 bit build.

src/snapshot.h

 // Copyright 2006-2008 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:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 72 matching lines @@
   static const int context_raw_size_;
 
   static bool Deserialize(const byte* content, int len);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(Snapshot);
 };
 
 
 // These are the sizes of the spaces that are needed in order to unpack the
 // VM boot snapshot.
-const int kMinimumSpaceSizes[LAST_SPACE + 1] = {
+const intptr_t kMinimumSpaceSizes[LAST_SPACE + 1] = {
   0,           // New space.
   512 * 1024,  // Old pointer space.
   128 * 1024,  // Old data space.
   256 * 1024,  // Code space.
   64 * 1024,   // Map space.
   64 * 1024,   // Cell space.
   0            // Large object space.
 };
 
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_SNAPSHOT_H_