Break cyclic reference between utils and platform.

tools/gyp/v8.gyp

 # 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:
 #
 #     * 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 587 matching lines @@
         '../../src/v8conversions.cc',
         '../../src/v8conversions.h',
         '../../src/v8globals.h',
         '../../src/v8memory.h',
         '../../src/v8threads.cc',
         '../../src/v8threads.h',
         '../../src/v8utils.cc',
         '../../src/v8utils.h',
         '../../src/variables.cc',
         '../../src/variables.h',
+        '../../src/vector.h',
         '../../src/version.cc',
         '../../src/version.h',
         '../../src/vm-state-inl.h',
         '../../src/vm-state.h',
         '../../src/zone-inl.h',
         '../../src/zone.cc',
         '../../src/zone.h',
       ],
       'conditions': [
         ['want_separate_host_toolset==1', {
@@ skipping 588 matching lines @@
         }],
         ['v8_compress_startup_data=="bz2"', {
           'libraries': [
             '-lbz2',
           ]
         }],
       ],
     },
   ],
 }